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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 9 |
| 1965 | 10 |
| 1966 | 49 |
| 1967 | 33 |
| 1968 | 30 |
| 1969 | 9 |
| 1970 | 34 |
| 1971 | 72 |
| 1972 | 35 |
| 1973 | 156 |
| 1974 | 750 |
| 1975 | 10926 |
| 1976 | 10039 |
| 1977 | 9778 |
| 1978 | 8428 |
| 1979 | 7117 |
| 1980 | 8129 |
| 1981 | 9177 |
| 1982 | 9221 |
| 1983 | 9786 |
| 1984 | 10625 |
| 1985 | 10873 |
| 1986 | 11307 |
| 1987 | 11848 |
| 1988 | 12269 |
| 1989 | 12594 |
| 1990 | 13062 |
| 1991 | 13109 |
| 1992 | 13509 |
| 1993 | 13466 |
| 1994 | 13756 |
| 1995 | 13865 |
| 1996 | 13975 |
| 1997 | 13901 |
| 1998 | 14444 |
| 1999 | 15187 |
| 2000 | 16915 |
| 2001 | 18727 |
| 2002 | 20041 |
| 2003 | 21826 |
| 2004 | 24374 |
| 2005 | 26218 |
| 2006 | 28806 |
| 2007 | 30378 |
| 2008 | 31454 |
| 2009 | 32279 |
| 2010 | 35273 |
| 2011 | 39413 |
| 2012 | 42684 |
| 2013 | 40168 |
| 2014 | 39539 |
| 2015 | 38768 |
| 2016 | 29364 |
| 2017 | 22154 |
| 2018 | 32008 |
| 2019 | 30204 |
| 2020 | 30670 |
| 2021 | 30857 |
| 2022 | 27231 |
| 2023 | 20167 |
| 2024 | 6308 |
| 2025 | 967 |