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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1963 | 3 |
| 1965 | 2 |
| 1966 | 1 |
| 1979 | 11 |
| 1980 | 23 |
| 1981 | 27 |
| 1982 | 32 |
| 1983 | 42 |
| 1984 | 52 |
| 1985 | 81 |
| 1986 | 82 |
| 1987 | 95 |
| 1988 | 120 |
| 1989 | 146 |
| 1990 | 127 |
| 1991 | 156 |
| 1992 | 193 |
| 1993 | 271 |
| 1994 | 312 |
| 1995 | 311 |
| 1996 | 401 |
| 1997 | 428 |
| 1998 | 519 |
| 1999 | 532 |
| 2000 | 699 |
| 2001 | 807 |
| 2002 | 975 |
| 2003 | 1228 |
| 2004 | 1604 |
| 2005 | 1987 |
| 2006 | 2463 |
| 2007 | 2727 |
| 2008 | 3305 |
| 2009 | 3826 |
| 2010 | 4384 |
| 2011 | 5345 |
| 2012 | 6292 |
| 2013 | 7331 |
| 2014 | 8647 |
| 2015 | 9824 |
| 2016 | 10348 |
| 2017 | 11418 |
| 2018 | 13438 |
| 2019 | 15519 |
| 2020 | 18247 |
| 2021 | 20923 |
| 2022 | 24742 |
| 2023 | 11044 |