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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 6 |
| 1968 | 4 |
| 1969 | 8 |
| 1970 | 4 |
| 1971 | 15 |
| 1972 | 14 |
| 1973 | 8 |
| 1974 | 6 |
| 1975 | 9 |
| 1976 | 14 |
| 1977 | 7 |
| 1978 | 14 |
| 1979 | 21 |
| 1980 | 12 |
| 1981 | 28 |
| 1982 | 28 |
| 1983 | 38 |
| 1984 | 35 |
| 1985 | 38 |
| 1986 | 35 |
| 1987 | 123 |
| 1988 | 274 |
| 1989 | 391 |
| 1990 | 411 |
| 1991 | 442 |
| 1992 | 548 |
| 1993 | 523 |
| 1994 | 555 |
| 1995 | 903 |
| 1996 | 1199 |
| 1997 | 1317 |
| 1998 | 1627 |
| 1999 | 1694 |
| 2000 | 1669 |
| 2001 | 1721 |
| 2002 | 1735 |
| 2003 | 1881 |
| 2004 | 1779 |
| 2005 | 1747 |
| 2006 | 1828 |
| 2007 | 1756 |
| 2008 | 1827 |
| 2009 | 1628 |
| 2010 | 1632 |
| 2011 | 1710 |
| 2012 | 1863 |
| 2013 | 2052 |
| 2014 | 2108 |
| 2015 | 2077 |
| 2016 | 2181 |
| 2017 | 2010 |
| 2018 | 1936 |
| 2019 | 1966 |
| 2020 | 2441 |
| 2021 | 1930 |
| 2022 | 1328 |
| 2023 | 1043 |
| 2024 | 294 |