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Table 1 Percentage trend in scientific production with respect to 1973

From: Trends in scientific activity addressing transmissible spongiform encephalopathies: a bibliometric study covering the period 1973–2002

Year Documents published Annual increase (base year 1973) Year Documents published Annual increase (base year 1973)
1973 78 100.0% 1988 125 160.2%
1974 59 75.6% 1989 113 144.8%
1975 66 84.6% 1990 148 189.7%
1976 62 79.4% 1991 213 273.0%
1977 62 79.4% 1992 202 258.9%
1978 65 83.3% 1993 246 315.3%
1979 61 78.2% 1994 277 355.1%
1980 77 98.7% 1995 236 302.5%
1981 81 103.8% 1996 360 461.5%
1982 74 94.8% 1997 407 521.7%
1983 80 102.5% 1998 415 532.0%
1984 93 119.2% 1999 492 630.7%
1985 114 146.1% 2000 528 676.9%
1986 144 184.6% 2001 650 833.3%
1987 116 148.7% 2002 680 871.7%