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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 2 |
| 1946 | 3 |
| 1947 | 2 |
| 1952 | 7 |
| 1953 | 13 |
| 1954 | 6 |
| 1955 | 2 |
| 1956 | 9 |
| 1957 | 10 |
| 1958 | 8 |
| 1959 | 17 |
| 1960 | 7 |
| 1961 | 11 |
| 1962 | 12 |
| 1964 | 3 |
| 1965 | 32 |
| 1966 | 70 |
| 1967 | 70 |
| 1968 | 95 |
| 1969 | 93 |
| 1970 | 94 |
| 1971 | 121 |
| 1972 | 116 |
| 1973 | 106 |
| 1974 | 120 |
| 1975 | 157 |
| 1976 | 139 |
| 1977 | 135 |
| 1978 | 116 |
| 1979 | 90 |
| 1980 | 100 |
| 1981 | 98 |
| 1982 | 121 |
| 1983 | 88 |
| 1984 | 90 |
| 1985 | 103 |
| 1986 | 74 |
| 1987 | 78 |
| 1988 | 83 |
| 1989 | 103 |
| 1990 | 97 |
| 1991 | 80 |
| 1992 | 87 |
| 1993 | 111 |
| 1994 | 96 |
| 1995 | 87 |
| 1996 | 93 |
| 1997 | 86 |
| 1998 | 104 |
| 1999 | 93 |
| 2000 | 91 |
| 2001 | 109 |
| 2002 | 119 |
| 2003 | 96 |
| 2004 | 131 |
| 2005 | 115 |
| 2006 | 125 |
| 2007 | 134 |
| 2008 | 139 |
| 2009 | 130 |
| 2010 | 129 |
| 2011 | 144 |
| 2012 | 157 |
| 2013 | 158 |
| 2014 | 164 |
| 2015 | 120 |
| 2016 | 146 |
| 2017 | 168 |
| 2018 | 134 |
| 2019 | 125 |
| 2020 | 101 |
| 2021 | 81 |
| 2022 | 78 |
| 2023 | 28 |