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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1970 | 2 |
| 1975 | 1 |
| 1980 | 13 |
| 1981 | 68 |
| 1982 | 52 |
| 1983 | 59 |
| 1984 | 61 |
| 1985 | 57 |
| 1986 | 58 |
| 1987 | 65 |
| 1988 | 54 |
| 1989 | 46 |
| 1990 | 48 |
| 1991 | 65 |
| 1992 | 62 |
| 1993 | 68 |
| 1994 | 49 |
| 1995 | 65 |
| 1996 | 62 |
| 1997 | 87 |
| 1998 | 105 |
| 1999 | 84 |
| 2000 | 113 |
| 2001 | 161 |
| 2002 | 187 |
| 2003 | 215 |
| 2004 | 244 |
| 2005 | 301 |
| 2006 | 404 |
| 2007 | 510 |
| 2008 | 684 |
| 2009 | 771 |
| 2010 | 1016 |
| 2011 | 1142 |
| 2012 | 1364 |
| 2013 | 1694 |
| 2014 | 1857 |
| 2015 | 1919 |
| 2016 | 2037 |
| 2017 | 2000 |
| 2018 | 2087 |
| 2019 | 2153 |
| 2020 | 2377 |
| 2021 | 2455 |
| 2022 | 2154 |
| 2023 | 2227 |
| 2024 | 1645 |
| 2025 | 514 |