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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 2 |
| 1967 | 9 |
| 1968 | 40 |
| 1969 | 78 |
| 1970 | 94 |
| 1971 | 119 |
| 1972 | 121 |
| 1973 | 125 |
| 1974 | 109 |
| 1975 | 94 |
| 1976 | 92 |
| 1977 | 111 |
| 1978 | 80 |
| 1979 | 81 |
| 1980 | 91 |
| 1981 | 52 |
| 1982 | 62 |
| 1983 | 105 |
| 1984 | 79 |
| 1985 | 86 |
| 1986 | 110 |
| 1987 | 88 |
| 1988 | 109 |
| 1989 | 105 |
| 1990 | 130 |
| 1991 | 128 |
| 1992 | 156 |
| 1993 | 174 |
| 1994 | 177 |
| 1995 | 179 |
| 1996 | 166 |
| 1997 | 176 |
| 1998 | 198 |
| 1999 | 235 |
| 2000 | 413 |
| 2001 | 513 |
| 2002 | 547 |
| 2003 | 567 |
| 2004 | 654 |
| 2005 | 870 |
| 2006 | 866 |
| 2007 | 969 |
| 2008 | 1081 |
| 2009 | 1302 |
| 2010 | 1314 |
| 2011 | 1462 |
| 2012 | 1596 |
| 2013 | 1547 |
| 2014 | 1498 |
| 2015 | 1428 |
| 2016 | 1373 |
| 2017 | 1425 |
| 2018 | 1384 |
| 2019 | 1390 |
| 2020 | 1058 |
| 2021 | 796 |
| 2022 | 88 |
| 2023 | 12 |
| 2024 | 44 |