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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1961 | 1 |
| 1979 | 1 |
| 1981 | 40 |
| 1982 | 108 |
| 1983 | 93 |
| 1984 | 117 |
| 1985 | 139 |
| 1986 | 193 |
| 1987 | 213 |
| 1988 | 234 |
| 1989 | 309 |
| 1990 | 286 |
| 1991 | 325 |
| 1992 | 302 |
| 1993 | 432 |
| 1994 | 390 |
| 1995 | 417 |
| 1996 | 410 |
| 1997 | 427 |
| 1998 | 432 |
| 1999 | 499 |
| 2000 | 458 |
| 2001 | 519 |
| 2002 | 580 |
| 2003 | 685 |
| 2004 | 671 |
| 2005 | 724 |
| 2006 | 938 |
| 2007 | 1026 |
| 2008 | 1012 |
| 2009 | 1006 |
| 2010 | 1143 |
| 2011 | 1337 |
| 2012 | 1267 |
| 2013 | 1279 |
| 2014 | 1396 |
| 2015 | 1393 |
| 2016 | 1489 |
| 2017 | 1453 |
| 2018 | 1544 |
| 2019 | 1585 |
| 2020 | 1720 |
| 2021 | 1748 |
| 2022 | 1514 |
| 2023 | 1352 |
| 2024 | 1532 |
| 2025 | 817 |