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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 3 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 1 |
| 1970 | 2 |
| 1973 | 1 |
| 1975 | 3 |
| 1978 | 2 |
| 1979 | 2 |
| 1980 | 3 |
| 1981 | 3 |
| 1982 | 14 |
| 1983 | 9 |
| 1984 | 12 |
| 1985 | 9 |
| 1986 | 17 |
| 1987 | 26 |
| 1988 | 74 |
| 1989 | 107 |
| 1990 | 125 |
| 1991 | 102 |
| 1992 | 118 |
| 1993 | 127 |
| 1994 | 149 |
| 1995 | 145 |
| 1996 | 178 |
| 1997 | 212 |
| 1998 | 204 |
| 1999 | 238 |
| 2000 | 238 |
| 2001 | 266 |
| 2002 | 279 |
| 2003 | 366 |
| 2004 | 447 |
| 2005 | 540 |
| 2006 | 640 |
| 2007 | 705 |
| 2008 | 903 |
| 2009 | 998 |
| 2010 | 1160 |
| 2011 | 1361 |
| 2012 | 1507 |
| 2013 | 1764 |
| 2014 | 1904 |
| 2015 | 2207 |
| 2016 | 2050 |
| 2017 | 2219 |
| 2018 | 2462 |
| 2019 | 2774 |
| 2020 | 3260 |
| 2021 | 3590 |
| 2022 | 3884 |
| 2023 | 3796 |
| 2024 | 4449 |
| 2025 | 2319 |