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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1958 | 1 |
| 1963 | 1 |
| 1965 | 2 |
| 1966 | 2 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 3 |
| 1988 | 2 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 2 |
| 1995 | 3 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 5 |
| 2000 | 5 |
| 2001 | 7 |
| 2002 | 8 |
| 2003 | 11 |
| 2004 | 24 |
| 2005 | 24 |
| 2006 | 40 |
| 2007 | 29 |
| 2008 | 49 |
| 2009 | 64 |
| 2010 | 65 |
| 2011 | 58 |
| 2012 | 81 |
| 2013 | 82 |
| 2014 | 90 |
| 2015 | 133 |
| 2016 | 129 |
| 2017 | 131 |
| 2018 | 157 |
| 2019 | 169 |
| 2020 | 174 |
| 2021 | 157 |
| 2022 | 159 |
| 2023 | 163 |
| 2024 | 51 |