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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1982 | 1 |
| 1986 | 4 |
| 1987 | 2 |
| 1988 | 3 |
| 1989 | 67 |
| 1990 | 110 |
| 1991 | 79 |
| 1992 | 56 |
| 1993 | 57 |
| 1994 | 70 |
| 1995 | 60 |
| 1996 | 76 |
| 1997 | 81 |
| 1998 | 81 |
| 1999 | 75 |
| 2000 | 72 |
| 2001 | 76 |
| 2002 | 91 |
| 2003 | 108 |
| 2004 | 99 |
| 2005 | 75 |
| 2006 | 97 |
| 2007 | 103 |
| 2008 | 104 |
| 2009 | 100 |
| 2010 | 105 |
| 2011 | 102 |
| 2012 | 133 |
| 2013 | 131 |
| 2014 | 111 |
| 2015 | 138 |
| 2016 | 124 |
| 2017 | 126 |
| 2018 | 138 |
| 2019 | 123 |
| 2020 | 119 |
| 2021 | 58 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 2 |