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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1979 | 2 |
| 1980 | 6 |
| 1981 | 16 |
| 1982 | 10 |
| 1983 | 15 |
| 1984 | 16 |
| 1985 | 16 |
| 1986 | 15 |
| 1987 | 30 |
| 1988 | 41 |
| 1989 | 39 |
| 1990 | 38 |
| 1991 | 43 |
| 1992 | 70 |
| 1993 | 85 |
| 1994 | 89 |
| 1995 | 101 |
| 1996 | 135 |
| 1997 | 155 |
| 1998 | 122 |
| 1999 | 170 |
| 2000 | 180 |
| 2001 | 231 |
| 2002 | 240 |
| 2003 | 332 |
| 2004 | 434 |
| 2005 | 565 |
| 2006 | 698 |
| 2007 | 813 |
| 2008 | 867 |
| 2009 | 1043 |
| 2010 | 1159 |
| 2011 | 1372 |
| 2012 | 1651 |
| 2013 | 1988 |
| 2014 | 2256 |
| 2015 | 2580 |
| 2016 | 2683 |
| 2017 | 3019 |
| 2018 | 3389 |
| 2019 | 4043 |
| 2020 | 4812 |
| 2021 | 5395 |
| 2022 | 6440 |
| 2023 | 3003 |