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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 3 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 1 |
| 1982 | 3 |
| 1984 | 1 |
| 1987 | 3 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 5 |
| 1991 | 12 |
| 1992 | 5 |
| 1993 | 10 |
| 1994 | 16 |
| 1995 | 26 |
| 1996 | 23 |
| 1997 | 20 |
| 1998 | 36 |
| 1999 | 45 |
| 2000 | 63 |
| 2001 | 67 |
| 2002 | 79 |
| 2003 | 82 |
| 2004 | 113 |
| 2005 | 140 |
| 2006 | 146 |
| 2007 | 186 |
| 2008 | 199 |
| 2009 | 236 |
| 2010 | 311 |
| 2011 | 382 |
| 2012 | 362 |
| 2013 | 410 |
| 2014 | 379 |
| 2015 | 422 |
| 2016 | 468 |
| 2017 | 443 |
| 2018 | 489 |
| 2019 | 472 |
| 2020 | 533 |
| 2021 | 579 |
| 2022 | 502 |
| 2023 | 433 |
| 2024 | 184 |