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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 4 |
| 1956 | 2 |
| 1960 | 1 |
| 1963 | 1 |
| 1967 | 1 |
| 1971 | 3 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 2 |
| 1977 | 2 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1986 | 2 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 10 |
| 1991 | 7 |
| 1992 | 4 |
| 1993 | 9 |
| 1994 | 7 |
| 1995 | 2 |
| 1996 | 2 |
| 1997 | 4 |
| 1998 | 9 |
| 1999 | 28 |
| 2000 | 13 |
| 2001 | 21 |
| 2002 | 24 |
| 2003 | 40 |
| 2004 | 46 |
| 2005 | 52 |
| 2006 | 62 |
| 2007 | 31 |
| 2008 | 46 |
| 2009 | 38 |
| 2010 | 52 |
| 2011 | 66 |
| 2012 | 66 |
| 2013 | 89 |
| 2014 | 104 |
| 2015 | 152 |
| 2016 | 159 |
| 2017 | 119 |
| 2018 | 137 |
| 2019 | 156 |
| 2020 | 164 |
| 2021 | 167 |
| 2022 | 173 |
| 2023 | 164 |
| 2024 | 153 |
| 2025 | 2 |