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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1969 | 1 |
| 1970 | 6 |
| 1971 | 1 |
| 1976 | 1 |
| 1978 | 1 |
| 1985 | 4 |
| 1986 | 15 |
| 1987 | 17 |
| 1988 | 28 |
| 1989 | 33 |
| 1990 | 87 |
| 1991 | 200 |
| 1992 | 226 |
| 1993 | 280 |
| 1994 | 258 |
| 1995 | 267 |
| 1996 | 275 |
| 1997 | 295 |
| 1998 | 299 |
| 1999 | 307 |
| 2000 | 321 |
| 2001 | 342 |
| 2002 | 363 |
| 2003 | 489 |
| 2004 | 579 |
| 2005 | 627 |
| 2006 | 724 |
| 2007 | 822 |
| 2008 | 923 |
| 2009 | 1031 |
| 2010 | 1168 |
| 2011 | 1252 |
| 2012 | 1378 |
| 2013 | 1502 |
| 2014 | 1585 |
| 2015 | 1537 |
| 2016 | 1310 |
| 2017 | 1369 |
| 2018 | 1305 |
| 2019 | 1341 |
| 2020 | 1345 |
| 2021 | 1344 |
| 2022 | 1253 |
| 2023 | 1020 |
| 2024 | 1140 |
| 2025 | 9 |