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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1974 | 6 |
| 1979 | 1 |
| 1984 | 1 |
| 1986 | 2 |
| 1987 | 9 |
| 1988 | 32 |
| 1989 | 74 |
| 1990 | 65 |
| 1991 | 74 |
| 1992 | 89 |
| 1993 | 107 |
| 1994 | 139 |
| 1995 | 164 |
| 1996 | 169 |
| 1997 | 204 |
| 1998 | 263 |
| 1999 | 249 |
| 2000 | 353 |
| 2001 | 350 |
| 2002 | 556 |
| 2003 | 627 |
| 2004 | 784 |
| 2005 | 1007 |
| 2006 | 1115 |
| 2007 | 1209 |
| 2008 | 1443 |
| 2009 | 1942 |
| 2010 | 2151 |
| 2011 | 2605 |
| 2012 | 2681 |
| 2013 | 2982 |
| 2014 | 3149 |
| 2015 | 3444 |
| 2016 | 3370 |
| 2017 | 3262 |
| 2018 | 3216 |
| 2019 | 2904 |
| 2020 | 2850 |
| 2021 | 2762 |
| 2022 | 919 |
| 2023 | 854 |
| 2024 | 2037 |
| 2025 | 10 |