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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 3 |
| 1947 | 9 |
| 1948 | 1 |
| 1951 | 9 |
| 1952 | 13 |
| 1953 | 30 |
| 1954 | 42 |
| 1955 | 53 |
| 1956 | 62 |
| 1957 | 72 |
| 1958 | 98 |
| 1959 | 75 |
| 1960 | 57 |
| 1961 | 49 |
| 1962 | 38 |
| 1964 | 2 |
| 1965 | 33 |
| 1966 | 59 |
| 1967 | 42 |
| 1968 | 27 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 1 |
| 1975 | 2 |
| 1977 | 3 |
| 1979 | 1 |
| 1985 | 1 |
| 1986 | 36 |
| 1987 | 124 |
| 1988 | 137 |
| 1989 | 147 |
| 1990 | 172 |
| 1991 | 152 |
| 1992 | 136 |
| 1993 | 141 |
| 1994 | 144 |
| 1995 | 156 |
| 1996 | 116 |
| 1997 | 141 |
| 1998 | 172 |
| 1999 | 156 |
| 2000 | 177 |
| 2001 | 142 |
| 2002 | 123 |
| 2003 | 130 |
| 2004 | 107 |
| 2005 | 109 |
| 2006 | 117 |
| 2007 | 130 |
| 2008 | 126 |
| 2009 | 135 |
| 2010 | 155 |
| 2011 | 137 |
| 2012 | 134 |
| 2013 | 161 |
| 2014 | 141 |
| 2015 | 126 |
| 2016 | 140 |
| 2017 | 152 |
| 2018 | 136 |
| 2019 | 126 |
| 2020 | 102 |
| 2021 | 59 |
| 2022 | 32 |
| 2023 | 33 |
| 2024 | 27 |