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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 42 |
| 1946 | 21 |
| 1947 | 66 |
| 1951 | 140 |
| 1952 | 132 |
| 1953 | 178 |
| 1954 | 171 |
| 1955 | 161 |
| 1956 | 176 |
| 1957 | 154 |
| 1958 | 94 |
| 1959 | 117 |
| 1960 | 128 |
| 1961 | 127 |
| 1962 | 93 |
| 1963 | 133 |
| 1964 | 127 |
| 1965 | 139 |
| 1966 | 128 |
| 1967 | 71 |
| 1968 | 103 |
| 1969 | 133 |
| 1970 | 88 |
| 1971 | 119 |
| 1972 | 112 |
| 1973 | 57 |
| 1974 | 86 |
| 1975 | 96 |
| 1976 | 77 |
| 1977 | 88 |
| 1978 | 72 |
| 1979 | 65 |
| 1980 | 57 |
| 1981 | 84 |
| 1982 | 71 |
| 1983 | 108 |
| 1984 | 91 |
| 1985 | 121 |
| 1986 | 79 |
| 1987 | 92 |
| 1988 | 113 |
| 1989 | 84 |
| 1990 | 84 |
| 1991 | 110 |
| 1992 | 106 |
| 1993 | 99 |
| 1994 | 77 |
| 1995 | 61 |
| 1996 | 64 |
| 1997 | 90 |
| 1998 | 104 |
| 1999 | 106 |
| 2000 | 82 |
| 2001 | 90 |
| 2002 | 95 |
| 2003 | 78 |
| 2004 | 91 |
| 2005 | 73 |
| 2006 | 72 |
| 2007 | 60 |
| 2008 | 70 |
| 2009 | 66 |
| 2010 | 73 |
| 2011 | 76 |
| 2012 | 74 |
| 2013 | 57 |
| 2014 | 83 |
| 2015 | 63 |
| 2016 | 71 |
| 2017 | 48 |
| 2018 | 51 |
| 2019 | 40 |
| 2020 | 39 |
| 2025 | 0 |