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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1971 | 1 |
| 1972 | 2 |
| 1974 | 2 |
| 1975 | 27 |
| 1976 | 47 |
| 1977 | 23 |
| 1978 | 29 |
| 1979 | 27 |
| 1980 | 91 |
| 1981 | 139 |
| 1982 | 157 |
| 1983 | 191 |
| 1984 | 242 |
| 1985 | 245 |
| 1986 | 314 |
| 1987 | 350 |
| 1988 | 332 |
| 1989 | 380 |
| 1990 | 382 |
| 1991 | 391 |
| 1992 | 406 |
| 1993 | 413 |
| 1994 | 416 |
| 1995 | 470 |
| 1996 | 510 |
| 1997 | 575 |
| 1998 | 630 |
| 1999 | 729 |
| 2000 | 821 |
| 2001 | 772 |
| 2002 | 863 |
| 2003 | 978 |
| 2004 | 985 |
| 2005 | 1145 |
| 2006 | 1118 |
| 2007 | 1200 |
| 2008 | 1322 |
| 2009 | 1420 |
| 2010 | 1435 |
| 2011 | 1645 |
| 2012 | 1808 |
| 2013 | 1847 |
| 2014 | 1876 |
| 2015 | 1858 |
| 2016 | 1264 |
| 2017 | 990 |
| 2018 | 1349 |
| 2019 | 1334 |
| 2020 | 1483 |
| 2021 | 1631 |
| 2022 | 1533 |
| 2023 | 1318 |
| 2024 | 792 |
| 2025 | 145 |