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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 1 |
| 1976 | 1 |
| 1978 | 1 |
| 1981 | 1 |
| 1983 | 2 |
| 1986 | 2 |
| 1987 | 2 |
| 1988 | 3 |
| 1989 | 7 |
| 1990 | 10 |
| 1991 | 7 |
| 1992 | 7 |
| 1993 | 13 |
| 1994 | 10 |
| 1995 | 11 |
| 1996 | 10 |
| 1997 | 16 |
| 1998 | 19 |
| 1999 | 16 |
| 2000 | 21 |
| 2001 | 22 |
| 2002 | 17 |
| 2003 | 26 |
| 2004 | 48 |
| 2005 | 48 |
| 2006 | 65 |
| 2007 | 69 |
| 2008 | 100 |
| 2009 | 88 |
| 2010 | 76 |
| 2011 | 95 |
| 2012 | 97 |
| 2013 | 108 |
| 2014 | 108 |
| 2015 | 135 |
| 2016 | 132 |
| 2017 | 139 |
| 2018 | 137 |
| 2019 | 108 |
| 2020 | 126 |
| 2021 | 140 |
| 2022 | 122 |
| 2023 | 117 |
| 2024 | 43 |