Types	Distribution of types	Period	Total
Persons	Number(1)	1998(3)	..
Persons	Number(1)	1997	155,117
Persons	Number(1)	1996(2)	..
Persons	Number(1)	1995	147,046
Persons	Number(1)	1994(2)	..
Persons	Number(1)	1993	121,098
Persons	Number(1)	1992	118,749
Persons	Number(1)	1991	108,594
Persons	Number(1)	1990	101,546
Persons	Number(1)	1989	92,390
Persons	Number(1)	1988	87,066
Persons	Number(1)	1987	77,022
Persons	Number(1)	1986	70,122
Persons	Number(1)	1985	63,109
Persons	Number(1)	1984	61,074
Persons	Number(1)	1983	57,321
Persons	Number(1)	1982	56,472
Persons	Number(1)	1981	55,297
Persons	Number(1)	1980	54,731
Persons	Total in FTE	1998(3)	90,018
Persons	Total in FTE	1997	87,150
Persons	Total in FTE	1996(2)	87,264
Persons	Total in FTE	1995	79,987
Persons	Total in FTE	1994(2)	80,399
Persons	Total in FTE	1993	75,734
Persons	Total in FTE	1992	73,320
Persons	Total in FTE	1991	72,406
Persons	Total in FTE	1990	69,684
Persons	Total in FTE	1989	63,155
Persons	Total in FTE	1988	54,807
Persons	Total in FTE	1987	48,486
Persons	Total in FTE	1986	45,261
Persons	Total in FTE	1985	40,654
Persons	Total in FTE	1984	39,287
Persons	Total in FTE	1983	36,171
Persons	Total in FTE	1982	35,531
Persons	Total in FTE	1981	36,221
Persons	Total in FTE	1980	35,496
Persons	Yearly growth rate	1998(3)	1.03
Persons	Yearly growth rate	1997	1.00
Persons	Yearly growth rate	1996(2)	1.09
Persons	Yearly growth rate	1995	0.99
Persons	Yearly growth rate	1994(2)	1.06
Persons	Yearly growth rate	1993	1.03
Persons	Yearly growth rate	1992	1.01
Persons	Yearly growth rate	1991	1.04
Persons	Yearly growth rate	1990	1.10
Persons	Yearly growth rate	1989	1.15
Persons	Yearly growth rate	1988	1.13
Persons	Yearly growth rate	1987	1.07
Persons	Yearly growth rate	1986	1.11
Persons	Yearly growth rate	1985	1.03
Persons	Yearly growth rate	1984	1.09
Persons	Yearly growth rate	1983	1.02
Persons	Yearly growth rate	1982	0.98
Persons	Yearly growth rate	1981	1.02
Persons	Yearly growth rate	1980	..
Persons	So much per thousand as regards the A.P.	1998(3)	5.5
Persons	So much per thousand as regards the A.P.	1997	5.4
Persons	So much per thousand as regards the A.P.	1996(2)	5.5
Persons	So much per thousand as regards the A.P.	1995	5.1
Persons	So much per thousand as regards the A.P.	1994(2)	5.1
Persons	So much per thousand as regards the A.P.	1993	4.8
Persons	So much per thousand as regards the A.P.	1992	4.8
Persons	So much per thousand as regards the A.P.	1991	4.7
Persons	So much per thousand as regards the A.P.	1990	4.5
Persons	So much per thousand as regards the A.P.	1989	4.2
Persons	So much per thousand as regards the A.P.	1988	3.7
Persons	So much per thousand as regards the A.P.	1987	3.3
Persons	So much per thousand as regards the A.P.	1986	3.2
Persons	So much per thousand as regards the A.P.	1985	3.0
Persons	So much per thousand as regards the A.P.	1984	2.9
Persons	So much per thousand as regards the A.P.	1983	2.7
Persons	So much per thousand as regards the A.P.	1982	2.7
Persons	So much per thousand as regards the A.P.	1981	2.8
Persons	So much per thousand as regards the A.P.	1980	2.7
Researchers	Number(1)	1998(3)	..
Researchers	Number(1)	1997	103,905
Researchers	Number(1)	1996(2)	..
Researchers	Number(1)	1995	100,070
Researchers	Number(1)	1994(2)	..
Researchers	Number(1)	1993	80,113
Researchers	Number(1)	1992	77,430
Researchers	Number(1)	1991	73,551
Researchers	Number(1)	1990	66,582
Researchers	Number(1)	1989	59,592
Researchers	Number(1)	1988	56,261
Researchers	Number(1)	1987	49,007
Researchers	Number(1)	1986	45,255
Researchers	Number(1)	1985	40,848
Researchers	Number(1)	1984	39,607
Researchers	Number(1)	1983	38,175
Researchers	Number(1)	1982	37,122
Researchers	Number(1)	1981	36,564
Researchers	Number(1)	1980	35,062
Researchers	Total in FTE	1998(3)	..
Researchers	Total in FTE	1997	53,883
Researchers	Total in FTE	1996(2)	51,633
Researchers	Total in FTE	1995	47,342
Researchers	Total in FTE	1994(2)	47,867
Researchers	Total in FTE	1993	43,367
Researchers	Total in FTE	1992	41,681
Researchers	Total in FTE	1991	40,642
Researchers	Total in FTE	1990	37,676
Researchers	Total in FTE	1989	32,914
Researchers	Total in FTE	1988	31,170
Researchers	Total in FTE	1987	26,463
Researchers	Total in FTE	1986	24,525
Researchers	Total in FTE	1985	21,455
Researchers	Total in FTE	1984	20,506
Researchers	Total in FTE	1983	19,453
Researchers	Total in FTE	1982	18,782
Researchers	Total in FTE	1981	19,268
Researchers	Total in FTE	1980	18,323
Researchers	Yearly growth rate	1998(3)	..
Researchers	Yearly growth rate	1997	1.04
Researchers	Yearly growth rate	1996(2)	1.09
Researchers	Yearly growth rate	1995	0.99
Researchers	Yearly growth rate	1994(2)	1.10
Researchers	Yearly growth rate	1993	1.04
Researchers	Yearly growth rate	1992	1.03
Researchers	Yearly growth rate	1991	1.08
Researchers	Yearly growth rate	1990	1.14
Researchers	Yearly growth rate	1989	1.06
Researchers	Yearly growth rate	1988	1.18
Researchers	Yearly growth rate	1987	1.08
Researchers	Yearly growth rate	1986	1.14
Researchers	Yearly growth rate	1985	1.05
Researchers	Yearly growth rate	1984	1.05
Researchers	Yearly growth rate	1983	1.04
Researchers	Yearly growth rate	1982	0.97
Researchers	Yearly growth rate	1981	1.05
Researchers	Yearly growth rate	1980	..
Researchers	So much per thousand as regards the A.P.	1998(3)	..
Researchers	So much per thousand as regards the A.P.	1997	3.3
Researchers	So much per thousand as regards the A.P.	1996(2)	3.2
Researchers	So much per thousand as regards the A.P.	1995	3.0
Researchers	So much per thousand as regards the A.P.	1994(2)	3.1
Researchers	So much per thousand as regards the A.P.	1993	2.8
Researchers	So much per thousand as regards the A.P.	1992	2.7
Researchers	So much per thousand as regards the A.P.	1991	2.7
Researchers	So much per thousand as regards the A.P.	1990	2.5
Researchers	So much per thousand as regards the A.P.	1989	2.2
Researchers	So much per thousand as regards the A.P.	1988	2.1
Researchers	So much per thousand as regards the A.P.	1987	1.8
Researchers	So much per thousand as regards the A.P.	1986	1.8
Researchers	So much per thousand as regards the A.P.	1985	1.6
Researchers	So much per thousand as regards the A.P.	1984	1.5
Researchers	So much per thousand as regards the A.P.	1983	1.4
Researchers	So much per thousand as regards the A.P.	1982	1.4
Researchers	So much per thousand as regards the A.P.	1981	1.5
Researchers	So much per thousand as regards the A.P.	1980	1.4