Company sector;Period;Total
Total no. companies in the directory;1999;4,877
Total no. companies in the directory;1997;4,370
Total no. companies in the directory;1995;4,267
Total no. companies in the directory;1993;3,003
Total no. companies in the directory;1992;2,659
Total no. companies in the directory;1991;3,029
Total no. companies in the directory;1990;2,986
Companies that answered. Perform R+D.  Total;1999;2,267
Companies that answered. Perform R+D.  Total;1997;1,872
Companies that answered. Perform R+D.  Total;1995;1,804
Companies that answered. Perform R+D.  Total;1993;1,874
Companies that answered. Perform R+D.  Total;1992;1,753
Companies that answered. Perform R+D.  Total;1991;1,779
Companies that answered. Perform R+D.  Total;1990;1,630
Companies that answered. Perform R+D. %;1999;46
Companies that answered. Perform R+D. %;1997;43
Companies that answered. Perform R+D. %;1995;42
Companies that answered. Perform R+D. %;1993;62
Companies that answered. Perform R+D. %;1992;66
Companies that answered. Perform R+D. %;1991;59
Companies that answered. Perform R+D. %;1990;55
Companies that answered. Do not perform R+D. Total;1999;2,155
Companies that answered. Do not perform R+D. Total;1997;1,713
Companies that answered. Do not perform R+D. Total;1995;1,642
Companies that answered. Do not perform R+D. Total;1993;780
Companies that answered. Do not perform R+D. Total;1992;473
Companies that answered. Do not perform R+D. Total;1991;451
Companies that answered. Do not perform R+D. Total;1990;392
Companies that answered. Do not perform R+D. %;1999;44
Companies that answered. Do not perform R+D. %;1997;39
Companies that answered. Do not perform R+D. %;1995;39
Companies that answered. Do not perform R+D. %;1993;26
Companies that answered. Do not perform R+D. %;1992;18
Companies that answered. Do not perform R+D. %;1991;15
Companies that answered. Do not perform R+D. %;1990;13
Companies that did not answer. Total;1999;198
Companies that did not answer. Total;1997;194
Companies that did not answer. Total;1995;259
Companies that did not answer. Total;1993;227
Companies that did not answer. Total;1992;217
Companies that did not answer. Total;1991;304
Companies that did not answer. Total;1990;458
Companies that did not answer. %;1999;4
Companies that did not answer. %;1997;4
Companies that did not answer. %;1995;6
Companies that did not answer. %;1993;8
Companies that did not answer. %;1992;8
Companies that did not answer. %;1991;10
Companies that did not answer. %;1990;15
Other events. Total;1999;257
Other events. Total;1997;591
Other events. Total;1995;562
Other events. Total;1993;122
Other events. Total;1992;216
Other events. Total;1991;495
Other events. Total;1990;506
Other events. %;1999;5
Other events. %;1997;14
Other events. %;1995;13
Other events. %;1993;4
Other events. %;1992;8
Other events. %;1991;16
Other events. %;1990;17