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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 5 |
| 1973 | 1 |
| 1980 | 1 |
| 1985 | 4 |
| 1987 | 1 |
| 1988 | 1 |
| 1990 | 37 |
| 1991 | 93 |
| 1992 | 117 |
| 1993 | 113 |
| 1994 | 125 |
| 1995 | 120 |
| 1996 | 109 |
| 1997 | 117 |
| 1998 | 89 |
| 1999 | 83 |
| 2000 | 121 |
| 2001 | 115 |
| 2002 | 78 |
| 2003 | 82 |
| 2004 | 71 |
| 2005 | 62 |
| 2006 | 81 |
| 2007 | 107 |
| 2008 | 106 |
| 2009 | 64 |
| 2010 | 71 |
| 2011 | 71 |
| 2012 | 93 |
| 2013 | 139 |
| 2014 | 135 |
| 2015 | 152 |
| 2016 | 133 |
| 2017 | 69 |
| 2018 | 66 |
| 2019 | 55 |
| 2020 | 39 |
| 2021 | 33 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 1 |