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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%