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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 1 |
| 1970 | 1 |
| 1973 | 5 |
| 1974 | 5 |
| 1975 | 6 |
| 1976 | 22 |
| 1977 | 8 |
| 1978 | 3 |
| 1979 | 5 |
| 1980 | 2 |
| 1982 | 3 |
| 1983 | 3 |
| 1984 | 2 |
| 1985 | 5 |
| 1987 | 5 |
| 1988 | 5 |
| 1989 | 65 |
| 1990 | 188 |
| 1991 | 171 |
| 1992 | 184 |
| 1993 | 159 |
| 1994 | 141 |
| 1995 | 124 |
| 1996 | 109 |
| 1997 | 83 |
| 1998 | 86 |
| 1999 | 131 |
| 2000 | 167 |
| 2001 | 199 |
| 2002 | 270 |
| 2003 | 239 |
| 2004 | 250 |
| 2005 | 286 |
| 2006 | 346 |
| 2007 | 381 |
| 2008 | 420 |
| 2009 | 474 |
| 2010 | 470 |
| 2011 | 500 |
| 2012 | 519 |
| 2013 | 529 |
| 2014 | 558 |
| 2015 | 484 |
| 2016 | 477 |
| 2017 | 445 |
| 2018 | 506 |
| 2019 | 517 |
| 2020 | 667 |
| 2021 | 609 |
| 2022 | 714 |
| 2023 | 663 |
| 2024 | 586 |
| 2025 | 379 |