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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 4 |
| 1958 | 6 |
| 1959 | 10 |
| 1960 | 11 |
| 1961 | 8 |
| 1962 | 6 |
| 1980 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1989 | 1 |
| 1990 | 4 |
| 1991 | 68 |
| 1992 | 186 |
| 1993 | 186 |
| 1994 | 176 |
| 1995 | 189 |
| 1996 | 195 |
| 1997 | 187 |
| 1998 | 169 |
| 1999 | 176 |
| 2000 | 167 |
| 2001 | 174 |
| 2002 | 152 |
| 2003 | 154 |
| 2004 | 145 |
| 2005 | 145 |
| 2006 | 150 |
| 2007 | 150 |
| 2008 | 109 |
| 2009 | 127 |
| 2010 | 103 |
| 2011 | 122 |
| 2012 | 111 |
| 2013 | 90 |
| 2014 | 93 |
| 2015 | 90 |
| 2016 | 100 |
| 2017 | 94 |
| 2018 | 61 |
| 2019 | 60 |
| 2020 | 44 |
| 2021 | 30 |
| 2022 | 31 |
| 2023 | 40 |
| 2024 | 13 |