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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1959 | 1 |
| 1961 | 1 |
| 1962 | 2 |
| 1976 | 1 |
| 1981 | 1 |
| 1986 | 3 |
| 1987 | 19 |
| 1988 | 53 |
| 1989 | 78 |
| 1990 | 113 |
| 1991 | 131 |
| 1992 | 93 |
| 1993 | 145 |
| 1994 | 147 |
| 1995 | 244 |
| 1996 | 275 |
| 1997 | 279 |
| 1998 | 169 |
| 1999 | 169 |
| 2000 | 119 |
| 2001 | 121 |
| 2002 | 131 |
| 2003 | 139 |
| 2004 | 150 |
| 2005 | 147 |
| 2006 | 163 |
| 2007 | 237 |
| 2008 | 247 |
| 2009 | 284 |
| 2010 | 272 |
| 2011 | 413 |
| 2012 | 401 |
| 2013 | 409 |
| 2014 | 428 |
| 2015 | 419 |
| 2016 | 335 |
| 2017 | 358 |
| 2018 | 395 |
| 2019 | 381 |
| 2020 | 395 |
| 2021 | 280 |
| 2022 | 155 |
| 2023 | 94 |
| 2024 | 81 |