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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 7 |
| 1960 | 4 |
| 1961 | 3 |
| 1962 | 4 |
| 1977 | 1 |
| 1988 | 2 |
| 1989 | 13 |
| 1990 | 45 |
| 1991 | 99 |
| 1992 | 98 |
| 1993 | 84 |
| 1994 | 77 |
| 1995 | 71 |
| 1996 | 45 |
| 1997 | 58 |
| 1998 | 70 |
| 1999 | 131 |
| 2000 | 78 |
| 2001 | 154 |
| 2002 | 100 |
| 2003 | 67 |
| 2004 | 103 |
| 2005 | 91 |
| 2006 | 100 |
| 2007 | 105 |
| 2008 | 117 |
| 2009 | 100 |
| 2010 | 117 |
| 2011 | 166 |
| 2012 | 124 |
| 2013 | 152 |
| 2014 | 148 |
| 2015 | 141 |
| 2016 | 149 |
| 2017 | 133 |
| 2018 | 181 |
| 2019 | 179 |
| 2020 | 121 |
| 2021 | 60 |
| 2022 | 44 |
| 2023 | 40 |
| 2024 | 106 |
| 2025 | 115 |