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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1979 | 2 |
| 1980 | 6 |
| 1981 | 8 |
| 1982 | 19 |
| 1983 | 12 |
| 1984 | 8 |
| 1985 | 13 |
| 1986 | 14 |
| 1987 | 19 |
| 1988 | 27 |
| 1989 | 27 |
| 1990 | 32 |
| 1991 | 35 |
| 1992 | 43 |
| 1993 | 43 |
| 1994 | 37 |
| 1995 | 69 |
| 1996 | 72 |
| 1997 | 87 |
| 1998 | 81 |
| 1999 | 74 |
| 2000 | 103 |
| 2001 | 122 |
| 2002 | 127 |
| 2003 | 146 |
| 2004 | 165 |
| 2005 | 224 |
| 2006 | 248 |
| 2007 | 289 |
| 2008 | 376 |
| 2009 | 402 |
| 2010 | 449 |
| 2011 | 463 |
| 2012 | 584 |
| 2013 | 653 |
| 2014 | 788 |
| 2015 | 902 |
| 2016 | 936 |
| 2017 | 1009 |
| 2018 | 1062 |
| 2019 | 1164 |
| 2020 | 1445 |
| 2021 | 1468 |
| 2022 | 1687 |
| 2023 | 1670 |
| 2024 | 752 |