Sectors	Period	Total
Total	1997	53,883
Total	1996	51,633
Total	1995	47,342
Total	1994(1)	47,867
Total	1993	43,367
Total	1992	41,681
Total	1991	40,642
Total	1990	37,676
Total	1989	32,914
Total	1988	31,170
Total	1987	26,463
Total	1986	24,525
Total	1985	21,455
Total	1984	20,506
Total	1983	19,453
Total	1982	18,782
Total	1981	19,268
Total	1980	18,323
Public Administration: Total	1997	10,490
Public Administration: Total	1996	9,126
Public Administration: Total	1995	8,359
Public Administration: Total	1994(1)	7,820
Public Administration: Total	1993	7,737
Public Administration: Total	1992	7,660
Public Administration: Total	1991	8,079
Public Administration: Total	1990	7,623
Public Administration: Total	1989	5,864
Public Administration: Total	1988	5,706
Public Administration: Total	1987	4,528
Public Administration: Total	1986	4,060
Public Administration: Total	1985	2,839
Public Administration: Total	1984	2,917
Public Administration: Total	1983	2,872
Public Administration: Total	1982	3,351
Public Administration: Total	1981	3,632
Public Administration: Total	1980	3,536
Public Administration: %	1997	20
Public Administration: %	1996	18
Public Administration: %	1995	18
Public Administration: %	1994(1)	16
Public Administration: %	1993	18
Public Administration: %	1992	18
Public Administration: %	1991	20
Public Administration: %	1990	20
Public Administration: %	1989	18
Public Administration: %	1988	18
Public Administration: %	1987	17
Public Administration: %	1986	17
Public Administration: %	1985	13
Public Administration: %	1984	14
Public Administration: %	1983	15
Public Administration: %	1982	18
Public Administration: %	1981	19
Public Administration: %	1980	19
Higher education: Total	1997	30,649
Higher education: Total	1996	30,858
Higher education: Total	1995	27,666
Higher education: Total	1994(1)	28,591
Higher education: Total	1993	24,006
Higher education: Total	1992	22,167
Higher education: Total	1991	20,775
Higher education: Total	1990	18,904
Higher education: Total	1989	17,554
Higher education: Total	1988	16,912
Higher education: Total	1987	15,100
Higher education: Total	1986	14,305
Higher education: Total	1985	13,763
Higher education: Total	1984	13,570
Higher education: Total	1983	13,053
Higher education: Total	1982	12,022
Higher education: Total	1981	12,410
Higher education: Total	1980	11,793
Higher education: %	1997	57
Higher education: %	1996	60
Higher education: %	1995	58
Higher education: %	1994(1)	60
Higher education: %	1993	55
Higher education: %	1992	53
Higher education: %	1991	51
Higher education: %	1990	50
Higher education: %	1989	53
Higher education: %	1988	54
Higher education: %	1987	57
Higher education: %	1986	58
Higher education: %	1985	64
Higher education: %	1984	66
Higher education: %	1983	67
Higher education: %	1982	64
Higher education: %	1981	64
Higher education: %	1980	64
Companies: Total	1997	12,009
Companies: Total	1996	11,100
Companies: Total	1995	10,803
Companies: Total	1994(1)	11,070
Companies: Total	1993	11,256
Companies: Total	1992	11,593
Companies: Total	1991	11,622
Companies: Total	1990	11,007
Companies: Total	1989	9,394
Companies: Total	1988	8,552
Companies: Total	1987	6,835
Companies: Total	1986	6,160
Companies: Total	1985	4,853
Companies: Total	1984	4,019
Companies: Total	1983	3,528
Companies: Total	1982	3,409
Companies: Total	1981	3,226
Companies: Total	1980	2,994
Companies: %	1997	22
Companies: %	1996	21
Companies: %	1995	23
Companies: %	1994(1)	23
Companies: %	1993	26
Companies: %	1992	28
Companies: %	1991	29
Companies: %	1990	29
Companies: %	1989	29
Companies: %	1988	27
Companies: %	1987	26
Companies: %	1986	25
Companies: %	1985	23
Companies: %	1984	20
Companies: %	1983	18
Companies: %	1982	18
Companies: %	1981	17
Companies: %	1980	16
PNPI: Total	1997	735
PNPI: Total	1996	549
PNPI: Total	1995	514
PNPI: Total	1994(1)	386
PNPI: Total	1993	368
PNPI: Total	1992	261
PNPI: Total	1991	166
PNPI: Total	1990	142
PNPI: Total	1989	102
PNPI: Total	1988	..
PNPI: Total	1987	..
PNPI: Total	1986	..
PNPI: Total	1985	..
PNPI: Total	1984	..
PNPI: Total	1983	..
PNPI: Total	1982	..
PNPI: Total	1981	..
PNPI: Total	1980	..
PNPI: %	1997	1
PNPI: %	1996	1
PNPI: %	1995	1
PNPI: %	1994(1)	1
PNPI: %	1993	1
PNPI: %	1992	1
PNPI: %	1991	0
PNPI: %	1990	1
PNPI: %	1989	0
PNPI: %	1988	..
PNPI: %	1987	..
PNPI: %	1986	..
PNPI: %	1985	..
PNPI: %	1984	..
PNPI: %	1983	..
PNPI: %	1982	..
PNPI: %	1981	..
PNPI: %	1980	..