Public Administration sector	Period	Total
Total no. centres in the directory	2001	281
Total no. centres in the directory	1999	246
Total no. centres in the directory	1997	336
Total no. centres in the directory	1995	401
Total no. centres in the directory	1993	365
Total no. centres in the directory	1992	344
Total no. centres in the directory	1991	333
Total no. centres in the directory	1990	359
Centres that answered. Perform systematic R+D. Total	2001	193
Centres that answered. Perform systematic R+D. Total	1999	182
Centres that answered. Perform systematic R+D. Total	1997	183
Centres that answered. Perform systematic R+D. Total	1995	216
Centres that answered. Perform systematic R+D. Total	1993	179
Centres that answered. Perform systematic R+D. Total	1992	204
Centres that answered. Perform systematic R+D. Total	1991	200
Centres that answered. Perform systematic R+D. Total	1990	189
Centres that answered. Perform systematic R+D. %	2001	69
Centres that answered. Perform systematic R+D. %	1999	74
Centres that answered. Perform systematic R+D. %	1997	54
Centres that answered. Perform systematic R+D. %	1995	54
Centres that answered. Perform systematic R+D. %	1993	49
Centres that answered. Perform systematic R+D. %	1992	59
Centres that answered. Perform systematic R+D. %	1991	60
Centres that answered. Perform systematic R+D. %	1990	53
Centres that answered. Do not perform R+D. Total	2001	46
Centres that answered. Do not perform R+D. Total	1999	33
Centres that answered. Do not perform R+D. Total	1997	126
Centres that answered. Do not perform R+D. Total	1995	72
Centres that answered. Do not perform R+D. Total	1993	99
Centres that answered. Do not perform R+D. Total	1992	78
Centres that answered. Do not perform R+D. Total	1991	78
Centres that answered. Do not perform R+D. Total	1990	112
Centres that answered. Do not perform R+D. %	2001	16
Centres that answered. Do not perform R+D. %	1999	13
Centres that answered. Do not perform R+D. %	1997	38
Centres that answered. Do not perform R+D. %	1995	18
Centres that answered. Do not perform R+D. %	1993	27
Centres that answered. Do not perform R+D. %	1992	23
Centres that answered. Do not perform R+D. %	1991	23
Centres that answered. Do not perform R+D. %	1990	31
Centres that 2 did not answer. Total	2001	34
Centres that 2 did not answer. Total	1999	26
Centres that 2 did not answer. Total	1997	24
Centres that 2 did not answer. Total	1995	59
Centres that 2 did not answer. Total	1993	87
Centres that 2 did not answer. Total	1992	62
Centres that 2 did not answer. Total	1991	55
Centres that 2 did not answer. Total	1990	58
Centres that 2 did not answer. %	2001	12
Centres that 2 did not answer. %	1999	11
Centres that 2 did not answer. %	1997	7
Centres that 2 did not answer. %	1995	15
Centres that 2 did not answer. %	1993	24
Centres that 2 did not answer. %	1992	18
Centres that 2 did not answer. %	1991	17
Centres that 2 did not answer. %	1990	16
Other events. Total	2001	8
Other events. Total	1999	5
Other events. Total	1997	3
Other events. Total	1995	54
Other events. Total	1993	..
Other events. Total	1992	..
Other events. Total	1991	..
Other events. Total	1990	..
Other events. %	2001	3
Other events. %	1999	2
Other events. %	1997	1
Other events. %	1995	13
Other events. %	1993	..
Other events. %	1992	..
Other events. %	1991	..
Other events. %	1990	..