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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 2 |
| 1946 | 2 |
| 1947 | 1 |
| 1948 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 3 |
| 1957 | 13 |
| 1958 | 8 |
| 1959 | 13 |
| 1960 | 8 |
| 1961 | 4 |
| 1962 | 5 |
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 10 |
| 1966 | 28 |
| 1967 | 31 |
| 1968 | 20 |
| 1988 | 1 |
| 1989 | 16 |
| 1990 | 61 |
| 1991 | 64 |
| 1992 | 52 |
| 1993 | 71 |
| 1994 | 60 |
| 1995 | 63 |
| 1996 | 68 |
| 1997 | 79 |
| 1998 | 128 |
| 1999 | 91 |
| 2000 | 73 |
| 2001 | 80 |
| 2002 | 90 |
| 2003 | 101 |
| 2004 | 103 |
| 2005 | 108 |
| 2006 | 97 |
| 2007 | 117 |
| 2008 | 115 |
| 2009 | 104 |
| 2010 | 115 |
| 2011 | 117 |
| 2012 | 147 |
| 2013 | 148 |
| 2014 | 138 |
| 2015 | 153 |
| 2016 | 124 |
| 2017 | 132 |
| 2018 | 118 |
| 2019 | 133 |
| 2020 | 107 |
| 2021 | 49 |
| 2022 | 30 |
| 2023 | 21 |
| 2024 | 12 |