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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 2 |
| 1948 | 6 |
| 1949 | 2 |
| 1950 | 6 |
| 1951 | 6 |
| 1952 | 12 |
| 1953 | 15 |
| 1954 | 5 |
| 1955 | 3 |
| 1956 | 6 |
| 1957 | 2 |
| 1958 | 4 |
| 1959 | 4 |
| 1960 | 1 |
| 1962 | 1 |
| 1963 | 16 |
| 1964 | 42 |
| 1965 | 33 |
| 1966 | 41 |
| 1967 | 58 |
| 1968 | 46 |
| 1969 | 69 |
| 1970 | 61 |
| 1971 | 79 |
| 1972 | 85 |
| 1973 | 110 |
| 1974 | 96 |
| 1975 | 77 |
| 1976 | 65 |
| 1977 | 84 |
| 1978 | 107 |
| 1979 | 96 |
| 1980 | 80 |
| 1981 | 82 |
| 1982 | 81 |
| 1983 | 93 |
| 1984 | 50 |
| 1985 | 85 |
| 1986 | 76 |
| 1987 | 91 |
| 1988 | 90 |
| 1989 | 115 |
| 1990 | 113 |
| 1991 | 106 |
| 1992 | 127 |
| 1993 | 117 |
| 1994 | 113 |
| 1995 | 82 |
| 1996 | 95 |
| 1997 | 84 |
| 1998 | 99 |
| 1999 | 105 |
| 2000 | 97 |
| 2001 | 100 |
| 2002 | 139 |
| 2003 | 112 |
| 2004 | 99 |
| 2005 | 138 |
| 2006 | 111 |
| 2007 | 120 |
| 2008 | 103 |
| 2009 | 119 |
| 2010 | 146 |
| 2011 | 164 |
| 2012 | 152 |
| 2013 | 155 |
| 2014 | 142 |
| 2015 | 141 |
| 2016 | 137 |
| 2017 | 125 |
| 2018 | 115 |
| 2019 | 100 |
| 2020 | 126 |
| 2021 | 132 |
| 2022 | 74 |
| 2023 | 72 |
| 2024 | 56 |
| 2025 | 23 |