Pre 1982
Year
1981-1988
453
7
460
1989
53
18
71
1990
62
17
79
1991
39
25
64
1992
34
49
83
1993
33
194
227
1994
22
270
292
1995
23
659
682
1996
37
971
1008
1997
30
1234
1264
1998
1080
1105
1999
35
1107
1142
2000
1205
1239
2001
52
1286
1981-2001
932(11%)
8070(89%)
9002(100%)
The trend of applications for invention in the period 1990 - 2001