Scientific discipline	Period	Total
Total	2000	5,718,988
Total	1999	4,995,360
Total	1998	4,715,018
Total	1997	4,038,904
Total	1996	3,852,632
Total	1995	3,550,106
Total	1994	3,294,472
Total	1993	3,350,060
Total	1992	3,244,979
Total	1991	2,881,084
Total	1990	2,559,284
Total	1989	2,039,378
Total	1988	1,729,046
Total	1987	1,385,387
Total	1986	1,188,057
Total	1985	933,618
Total	1984	758,471
Total	1983	647,074
Total	1982	576,984
Total	1981	437,615
Exact and natural sciences: Total	2000	1,016,796
Exact and natural sciences: Total	1999	927,097
Exact and natural sciences: Total	1998	874,100
Exact and natural sciences: Total	1997	811,330
Exact and natural sciences: Total	1996	799,797
Exact and natural sciences: Total	1995	701,652
Exact and natural sciences: Total	1994	616,067
Exact and natural sciences: Total	1993	450,705
Exact and natural sciences: Total	1992	428,462
Exact and natural sciences: Total	1991	308,500
Exact and natural sciences: Total	1990	271,249
Exact and natural sciences: Total	1989	226,786
Exact and natural sciences: Total	1988	171,433
Exact and natural sciences: Total	1987	163,127
Exact and natural sciences: Total	1986	138,161
Exact and natural sciences: Total	1985	108,182
Exact and natural sciences: Total	1984	85,578
Exact and natural sciences: Total	1983	78,642
Exact and natural sciences: Total	1982	64,603
Exact and natural sciences: Total	1981	48,916
Exact and natural sciences: %	2000	17.8
Exact and natural sciences: %	1999	18.5
Exact and natural sciences: %	1998	18.5
Exact and natural sciences: %	1997	20.1
Exact and natural sciences: %	1996	20.8
Exact and natural sciences: %	1995	19.8
Exact and natural sciences: %	1994	18.7
Exact and natural sciences: %	1993	13.5
Exact and natural sciences: %	1992	13.2
Exact and natural sciences: %	1991	10.7
Exact and natural sciences: %	1990	10.6
Exact and natural sciences: %	1989	11.1
Exact and natural sciences: %	1988	9.9
Exact and natural sciences: %	1987	11.8
Exact and natural sciences: %	1986	11.6
Exact and natural sciences: %	1985	11.6
Exact and natural sciences: %	1984	11.3
Exact and natural sciences: %	1983	12.1
Exact and natural sciences: %	1982	11.2
Exact and natural sciences: %	1981	11.2
Engineering and technology: Total	2000	3,111,817
Engineering and technology: Total	1999	2,640,529
Engineering and technology: Total	1998	2,473,141
Engineering and technology: Total	1997	2,032,010
Engineering and technology: Total	1996	1,938,072
Engineering and technology: Total	1995	1,818,314
Engineering and technology: Total	1994	1,718,486
Engineering and technology: Total	1993	1,811,312
Engineering and technology: Total	1992	1,839,944
Engineering and technology: Total	1991	1,732,069
Engineering and technology: Total	1990	1,576,635
Engineering and technology: Total	1989	1,234,034
Engineering and technology: Total	1988	1,066,935
Engineering and technology: Total	1987	816,992
Engineering and technology: Total	1986	728,571
Engineering and technology: Total	1985	570,096
Engineering and technology: Total	1984	417,481
Engineering and technology: Total	1983	379,142
Engineering and technology: Total	1982	341,002
Engineering and technology: Total	1981	248,879
Engineering and technology: %	2000	54.4
Engineering and technology: %	1999	52.9
Engineering and technology: %	1998	52.5
Engineering and technology: %	1997	50.3
Engineering and technology: %	1996	50.3
Engineering and technology: %	1995	51.2
Engineering and technology: %	1994	52.2
Engineering and technology: %	1993	54.1
Engineering and technology: %	1992	56.7
Engineering and technology: %	1991	60.1
Engineering and technology: %	1990	61.6
Engineering and technology: %	1989	60.5
Engineering and technology: %	1988	61.7
Engineering and technology: %	1987	59.0
Engineering and technology: %	1986	61.3
Engineering and technology: %	1985	61.0
Engineering and technology: %	1984	55.0
Engineering and technology: %	1983	58.6
Engineering and technology: %	1982	59.1
Engineering and technology: %	1981	56.9
Medical sciences: Total	2000	757,332
Medical sciences: Total	1999	669,107
Medical sciences: Total	1998	653,715
Medical sciences: Total	1997	555,323
Medical sciences: Total	1996	506,581
Medical sciences: Total	1995	488,737
Medical sciences: Total	1994	427,019
Medical sciences: Total	1993	449,858
Medical sciences: Total	1992	421,886
Medical sciences: Total	1991	373,733
Medical sciences: Total	1990	310,230
Medical sciences: Total	1989	241,330
Medical sciences: Total	1988	206,796
Medical sciences: Total	1987	169,612
Medical sciences: Total	1986	121,981
Medical sciences: Total	1985	92,526
Medical sciences: Total	1984	111,993
Medical sciences: Total	1983	73,492
Medical sciences: Total	1982	71,238
Medical sciences: Total	1981	54,350
Medical sciences: %	2000	13.2
Medical sciences: %	1999	13.4
Medical sciences: %	1998	13.9
Medical sciences: %	1997	13.7
Medical sciences: %	1996	13.1
Medical sciences: %	1995	13.8
Medical sciences: %	1994	13.0
Medical sciences: %	1993	13.4
Medical sciences: %	1992	13.0
Medical sciences: %	1991	13.0
Medical sciences: %	1990	12.1
Medical sciences: %	1989	11.8
Medical sciences: %	1988	12.0
Medical sciences: %	1987	12.2
Medical sciences: %	1986	10.3
Medical sciences: %	1985	9.9
Medical sciences: %	1984	14.8
Medical sciences: %	1983	11.4
Medical sciences: %	1982	12.4
Medical sciences: %	1981	12.4
Agricultural sciences: Total	2000	386,068
Agricultural sciences: Total	1999	360,427
Agricultural sciences: Total	1998	337,096
Agricultural sciences: Total	1997	297,237
Agricultural sciences: Total	1996	285,823
Agricultural sciences: Total	1995	240,062
Agricultural sciences: Total	1994	225,458
Agricultural sciences: Total	1993	228,619
Agricultural sciences: Total	1992	219,826
Agricultural sciences: Total	1991	221,665
Agricultural sciences: Total	1990	202,042
Agricultural sciences: Total	1989	173,662
Agricultural sciences: Total	1988	160,284
Agricultural sciences: Total	1987	140,348
Agricultural sciences: Total	1986	112,287
Agricultural sciences: Total	1985	92,063
Agricultural sciences: Total	1984	79,213
Agricultural sciences: Total	1983	59,711
Agricultural sciences: Total	1982	53,550
Agricultural sciences: Total	1981	43,381
Agricultural sciences: %	2000	6.8
Agricultural sciences: %	1999	7.2
Agricultural sciences: %	1998	7.1
Agricultural sciences: %	1997	7.4
Agricultural sciences: %	1996	7.4
Agricultural sciences: %	1995	6.8
Agricultural sciences: %	1994	6.8
Agricultural sciences: %	1993	6.8
Agricultural sciences: %	1992	6.8
Agricultural sciences: %	1991	7.7
Agricultural sciences: %	1990	7.9
Agricultural sciences: %	1989	8.5
Agricultural sciences: %	1988	9.3
Agricultural sciences: %	1987	10.1
Agricultural sciences: %	1986	9.5
Agricultural sciences: %	1985	9.9
Agricultural sciences: %	1984	10.4
Agricultural sciences: %	1983	9.2
Agricultural sciences: %	1982	9.3
Agricultural sciences: %	1981	9.9
Social sciences and humanities: Total	2000	446,975
Social sciences and humanities: Total	1999	398,201
Social sciences and humanities: Total	1998	376,967
Social sciences and humanities: Total	1997	343,004
Social sciences and humanities: Total	1996	322,359
Social sciences and humanities: Total	1995	301,341
Social sciences and humanities: Total	1994	307,442
Social sciences and humanities: Total	1993	409,566
Social sciences and humanities: Total	1992	334,860
Social sciences and humanities: Total	1991	245,117
Social sciences and humanities: Total	1990	199,127
Social sciences and humanities: Total	1989	163,565
Social sciences and humanities: Total	1988	123,598
Social sciences and humanities: Total	1987	95,308
Social sciences and humanities: Total	1986	87,057
Social sciences and humanities: Total	1985	70,751
Social sciences and humanities: Total	1984	64,206
Social sciences and humanities: Total	1983	56,086
Social sciences and humanities: Total	1982	46,590
Social sciences and humanities: Total	1981	42,089
Social sciences and humanities: %	2000	7.8
Social sciences and humanities: %	1999	8.0
Social sciences and humanities: %	1998	8.0
Social sciences and humanities: %	1997	8.5
Social sciences and humanities: %	1996	8.4
Social sciences and humanities: %	1995	8.5
Social sciences and humanities: %	1994	9.3
Social sciences and humanities: %	1993	12.2
Social sciences and humanities: %	1992	10.3
Social sciences and humanities: %	1991	8.5
Social sciences and humanities: %	1990	7.8
Social sciences and humanities: %	1989	8.0
Social sciences and humanities: %	1988	7.1
Social sciences and humanities: %	1987	6.9
Social sciences and humanities: %	1986	7.3
Social sciences and humanities: %	1985	7.6
Social sciences and humanities: %	1984	8.5
Social sciences and humanities: %	1983	8.7
Social sciences and humanities: %	1982	8.0
Social sciences and humanities: %	1981	9.6