From: Community evolution in patent networks: technological change and network dynamics
Year | Common | Different | Match (%) |
---|---|---|---|
1980 | 53 | 78 | 40.46 |
1981 | 38 | 56 | 40.43 |
1982 | 33 | 60 | 35.48 |
1983 | 33 | 60 | 35.48 |
1984 | 32 | 60 | 34.78 |
1985 | 30 | 65 | 31.58 |
1986 | 42 | 54 | 43.75 |
1987 | 39 | 56 | 41.05 |
1988 | 36 | 63 | 36.36 |
1989 | 45 | 63 | 41.67 |
1990 | 48 | 79 | 37.80 |
1991 | 34 | 58 | 36.96 |
1992 | 24 | 49 | 32.88 |
1993 | 21 | 52 | 28.77 |
1994 | 32 | 67 | 32.32 |
1995 | 31 | 63 | 32.98 |
1996 | 22 | 69 | 24.18 |
1997 | 27 | 63 | 30.00 |
1998 | 36 | 80 | 31.03 |
1999 | 39 | 87 | 30.95 |
2000 | 53 | 96 | 35.57 |
2001 | 22 | 74 | 22.92 |
2002 | 18 | 59 | 23.38 |
2003 | 5 | 34 | 12.82 |
2004 | 6 | 28 | 17.65 |