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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1970 | 2 |
| 1976 | 1 |
| 1988 | 1 |
| 1989 | 13 |
| 1990 | 56 |
| 1991 | 98 |
| 1992 | 90 |
| 1993 | 85 |
| 1994 | 96 |
| 1995 | 74 |
| 1996 | 74 |
| 1997 | 66 |
| 1998 | 89 |
| 1999 | 87 |
| 2000 | 101 |
| 2001 | 118 |
| 2002 | 132 |
| 2003 | 121 |
| 2004 | 109 |
| 2005 | 136 |
| 2006 | 126 |
| 2007 | 123 |
| 2008 | 135 |
| 2009 | 118 |
| 2010 | 121 |
| 2011 | 149 |
| 2012 | 131 |
| 2013 | 135 |
| 2014 | 138 |
| 2015 | 138 |
| 2016 | 125 |
| 2017 | 121 |
| 2018 | 135 |
| 2019 | 132 |
| 2020 | 135 |
| 2021 | 119 |
| 2022 | 72 |
| 2023 | 54 |
| 2024 | 35 |