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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 2 |
| 1956 | 1 |
| 1957 | 1 |
| 1967 | 1 |
| 1972 | 2 |
| 1973 | 1 |
| 1975 | 1 |
| 1980 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1994 | 4 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 5 |
| 1998 | 8 |
| 1999 | 8 |
| 2000 | 5 |
| 2001 | 18 |
| 2002 | 12 |
| 2003 | 11 |
| 2004 | 23 |
| 2005 | 28 |
| 2006 | 49 |
| 2007 | 36 |
| 2008 | 59 |
| 2009 | 53 |
| 2010 | 58 |
| 2011 | 64 |
| 2012 | 69 |
| 2013 | 63 |
| 2014 | 105 |
| 2015 | 140 |
| 2016 | 128 |
| 2017 | 123 |
| 2018 | 136 |
| 2019 | 145 |
| 2020 | 129 |
| 2021 | 147 |
| 2022 | 122 |
| 2023 | 101 |
| 2024 | 47 |