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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1960 1
1967 2
1968 5
1969 22
1970 23
1971 21
1972 23
1973 18
1974 12
1975 10
1976 14
1977 9
1978 6
1979 10
1980 10
1981 8
1982 4
1983 3
1984 9
1985 14
1986 15
1987 28
1988 11
1989 15
1990 16
1991 43
1992 37
1993 37
1994 78
1995 46
1996 60
1997 69
1998 80
1999 112
2000 157
2001 228
2002 516
2003 575
2004 697
2005 692
2006 703
2007 689
2008 560
2009 840
2010 1252
2011 1359
2012 1478
2013 1506
2014 1500
2015 1351
2016 1502
2017 1431
2018 1257
2019 1157
2020 1377
2021 1021
2022 100
2023 13
2024 361
2025 9

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20,512 results

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