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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1969 | 1 |
| 1970 | 2 |
| 1973 | 1 |
| 1974 | 1 |
| 1976 | 3 |
| 1977 | 1 |
| 1979 | 1 |
| 1983 | 2 |
| 1984 | 4 |
| 1986 | 4 |
| 1987 | 1 |
| 1988 | 4 |
| 1989 | 7 |
| 1990 | 8 |
| 1991 | 8 |
| 1992 | 12 |
| 1993 | 13 |
| 1994 | 10 |
| 1995 | 24 |
| 1996 | 19 |
| 1997 | 32 |
| 1998 | 35 |
| 1999 | 37 |
| 2000 | 43 |
| 2001 | 63 |
| 2002 | 75 |
| 2003 | 84 |
| 2004 | 87 |
| 2005 | 106 |
| 2006 | 134 |
| 2007 | 164 |
| 2008 | 186 |
| 2009 | 236 |
| 2010 | 279 |
| 2011 | 348 |
| 2012 | 373 |
| 2013 | 408 |
| 2014 | 467 |
| 2015 | 508 |
| 2016 | 449 |
| 2017 | 446 |
| 2018 | 498 |
| 2019 | 524 |
| 2020 | 550 |
| 2021 | 638 |
| 2022 | 598 |
| 2023 | 529 |
| 2024 | 468 |