Type of indicator	Period	Total
No. articles	1998	23,461
No. articles	1997	22,077
No. articles	1996	20,080
No. articles	1995	18,283
No. articles	1994	16,214
No. articles	1993	15,309
No. articles	1992	13,824
No. articles	1991	11,903
No. articles	1990	10,688
No. articles	1989	10,007
No. articles	1988	9,342
No. articles	1987	8,815
No. articles	1986	8,033
No. articles	1985	6,956
No. articles	1984	6,218
No. articles	1983	5,747
No. articles	1982	4,967
No. articles	1981	4,182
No. articles*100/FTE researchers in the public sector	1998	52
No. articles*100/FTE researchers in the public sector	1997	54
No. articles*100/FTE researchers in the public sector	1996	50
No. articles*100/FTE researchers in the public sector	1995	51
No. articles*100/FTE researchers in the public sector	1994	45
No. articles*100/FTE researchers in the public sector	1993	48
No. articles*100/FTE researchers in the public sector	1992	46
No. articles*100/FTE researchers in the public sector	1991	41
No. articles*100/FTE researchers in the public sector	1990	40
No. articles*100/FTE researchers in the public sector	1989	43
No. articles*100/FTE researchers in the public sector	1988	41
No. articles*100/FTE researchers in the public sector	1987	45
No. articles*100/FTE researchers in the public sector	1986	44
No. articles*100/FTE researchers in the public sector	1985	42
No. articles*100/FTE researchers in the public sector	1984	38
No. articles*100/FTE researchers in the public sector	1983	36
No. articles*100/FTE researchers in the public sector	1982	32
No. articles*100/FTE researchers in the public sector	1981	26
Public Expenditure on R+D/No. articles (thousands of pesetas)	1998	15,645
Public Expenditure on R+D/No. articles (thousands of pesetas)	1997	15,250
Public Expenditure on R+D/No. articles (thousands of pesetas)	1996	16,138
Public Expenditure on R+D/No. articles (thousands of pesetas)	1995	16,363
Public Expenditure on R+D/No. articles (thousands of pesetas)	1994	17,672
Public Expenditure on R+D/No. articles (thousands of pesetas)	1993	18,671
Public Expenditure on R+D/No. articles (thousands of pesetas)	1992	19,107
Public Expenditure on R+D/No. articles (thousands of pesetas)	1991	17,513
Public Expenditure on R+D/No. articles (thousands of pesetas)	1990	16,585
Public Expenditure on R+D/No. articles (thousands of pesetas)	1989	14,630
Public Expenditure on R+D/No. articles (thousands of pesetas)	1988	13,065
Public Expenditure on R+D/No. articles (thousands of pesetas)	1987	11,555
Public Expenditure on R+D/No. articles (thousands of pesetas)	1986	10,705
Public Expenditure on R+D/No. articles (thousands of pesetas)	1985	9,998
Public Expenditure on R+D/No. articles (thousands of pesetas)	1984	9,776
Public Expenditure on R+D/No. articles (thousands of pesetas)	1983	9,661
Public Expenditure on R+D/No. articles (thousands of pesetas)	1982	9,893
Public Expenditure on R+D/No. articles (thousands of pesetas)	1981	9,491
Percentage of global production	1998	2.5
Percentage of global production	1997	2.4
Percentage of global production	1996	2.2
Percentage of global production	1995	2.1
Percentage of global production	1994	2.0
Percentage of global production	1993	2.0
Percentage of global production	1992	1.9
Percentage of global production	1991	1.7
Percentage of global production	1990	1.6
Percentage of global production	1989	1.5
Percentage of global production	1988	1.3
Percentage of global production	1987	1.2
Percentage of global production	1986	1.1
Percentage of global production	1985	1.0
Percentage of global production	1984	0.9
Percentage of global production	1983	0.9
Percentage of global production	1982	0.8
Percentage of global production	1981	0.7