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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 2 |
| 1964 | 1 |
| 1974 | 33 |
| 1975 | 50 |
| 1976 | 40 |
| 1977 | 41 |
| 1978 | 44 |
| 1979 | 34 |
| 1980 | 45 |
| 1981 | 44 |
| 1982 | 38 |
| 1983 | 20 |
| 1984 | 30 |
| 1985 | 15 |
| 1986 | 22 |
| 1987 | 25 |
| 1988 | 23 |
| 1989 | 26 |
| 1990 | 27 |
| 1991 | 18 |
| 1992 | 33 |
| 1993 | 31 |
| 1994 | 30 |
| 1995 | 28 |
| 1996 | 33 |
| 1997 | 49 |
| 1998 | 35 |
| 1999 | 103 |
| 2000 | 65 |
| 2001 | 77 |
| 2002 | 83 |
| 2003 | 133 |
| 2004 | 136 |
| 2005 | 168 |
| 2006 | 204 |
| 2007 | 176 |
| 2008 | 244 |
| 2009 | 276 |
| 2010 | 537 |
| 2011 | 930 |
| 2012 | 1331 |
| 2013 | 1336 |
| 2014 | 2099 |
| 2015 | 2829 |
| 2016 | 3476 |
| 2017 | 3312 |
| 2018 | 3499 |
| 2019 | 2882 |
| 2020 | 2998 |
| 2021 | 3103 |
| 2022 | 2706 |
| 2023 | 2572 |
| 2024 | 1339 |