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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1949 | 1 |
| 1950 | 3 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 2 |
| 1957 | 1 |
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 2 |
| 1963 | 32 |
| 1964 | 50 |
| 1965 | 42 |
| 1966 | 39 |
| 1967 | 46 |
| 1968 | 74 |
| 1969 | 60 |
| 1970 | 103 |
| 1971 | 306 |
| 1972 | 369 |
| 1973 | 497 |
| 1974 | 529 |
| 1975 | 514 |
| 1976 | 549 |
| 1977 | 621 |
| 1978 | 809 |
| 1979 | 575 |
| 1980 | 272 |
| 1981 | 125 |
| 1982 | 99 |
| 1983 | 100 |
| 1984 | 82 |
| 1985 | 90 |
| 1986 | 75 |
| 1987 | 62 |
| 1988 | 82 |
| 1989 | 94 |
| 1990 | 111 |
| 1991 | 95 |
| 1992 | 86 |
| 1993 | 94 |
| 1994 | 104 |
| 1995 | 101 |
| 1996 | 113 |
| 1997 | 127 |
| 1998 | 113 |
| 1999 | 126 |
| 2000 | 139 |
| 2001 | 120 |
| 2002 | 115 |
| 2003 | 141 |
| 2004 | 118 |
| 2005 | 150 |
| 2006 | 149 |
| 2007 | 173 |
| 2008 | 179 |
| 2009 | 171 |
| 2010 | 147 |
| 2011 | 177 |
| 2012 | 152 |
| 2013 | 144 |
| 2014 | 173 |
| 2015 | 147 |
| 2016 | 149 |
| 2017 | 144 |
| 2018 | 159 |
| 2019 | 160 |
| 2020 | 125 |
| 2021 | 108 |
| 2022 | 51 |
| 2023 | 68 |
| 2024 | 96 |
| 2025 | 26 |