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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1975 | 1 |
| 1979 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 2 |
| 1989 | 7 |
| 1990 | 25 |
| 1991 | 24 |
| 1992 | 25 |
| 1993 | 27 |
| 1994 | 32 |
| 1995 | 13 |
| 1996 | 22 |
| 1997 | 25 |
| 1998 | 30 |
| 1999 | 31 |
| 2000 | 40 |
| 2001 | 25 |
| 2002 | 43 |
| 2003 | 44 |
| 2004 | 42 |
| 2005 | 58 |
| 2006 | 61 |
| 2007 | 56 |
| 2008 | 68 |
| 2009 | 97 |
| 2010 | 88 |
| 2011 | 90 |
| 2012 | 86 |
| 2013 | 94 |
| 2014 | 120 |
| 2015 | 115 |
| 2016 | 110 |
| 2017 | 122 |
| 2018 | 151 |
| 2019 | 158 |
| 2020 | 154 |
| 2021 | 161 |
| 2022 | 153 |
| 2023 | 123 |
| 2024 | 110 |