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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1966 | 1 |
| 1980 | 2 |
| 1981 | 3 |
| 1982 | 6 |
| 1983 | 3 |
| 1984 | 8 |
| 1985 | 11 |
| 1986 | 11 |
| 1987 | 18 |
| 1988 | 10 |
| 1989 | 25 |
| 1990 | 30 |
| 1991 | 38 |
| 1992 | 39 |
| 1993 | 53 |
| 1994 | 45 |
| 1995 | 46 |
| 1996 | 59 |
| 1997 | 75 |
| 1998 | 63 |
| 1999 | 100 |
| 2000 | 133 |
| 2001 | 126 |
| 2002 | 142 |
| 2003 | 195 |
| 2004 | 276 |
| 2005 | 336 |
| 2006 | 367 |
| 2007 | 458 |
| 2008 | 541 |
| 2009 | 629 |
| 2010 | 718 |
| 2011 | 868 |
| 2012 | 1071 |
| 2013 | 1277 |
| 2014 | 1519 |
| 2015 | 1771 |
| 2016 | 1787 |
| 2017 | 1950 |
| 2018 | 2106 |
| 2019 | 2582 |
| 2020 | 3122 |
| 2021 | 3460 |
| 2022 | 3893 |
| 2023 | 1813 |