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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 2 |
| 1972 | 2 |
| 1981 | 1 |
| 1984 | 4 |
| 1985 | 1 |
| 1986 | 2 |
| 1987 | 1 |
| 1989 | 1 |
| 1992 | 2 |
| 1993 | 1 |
| 1994 | 2 |
| 1995 | 5 |
| 1996 | 3 |
| 1997 | 3 |
| 1998 | 9 |
| 1999 | 7 |
| 2000 | 12 |
| 2001 | 20 |
| 2002 | 31 |
| 2003 | 33 |
| 2004 | 24 |
| 2005 | 32 |
| 2006 | 44 |
| 2007 | 56 |
| 2008 | 55 |
| 2009 | 61 |
| 2010 | 82 |
| 2011 | 84 |
| 2012 | 103 |
| 2013 | 116 |
| 2014 | 125 |
| 2015 | 145 |
| 2016 | 141 |
| 2017 | 157 |
| 2018 | 133 |
| 2019 | 144 |
| 2020 | 161 |
| 2021 | 148 |
| 2022 | 147 |
| 2023 | 142 |
| 2024 | 119 |