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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 25 |
| 1948 | 32 |
| 1949 | 32 |
| 1950 | 3 |
| 1951 | 14 |
| 1952 | 51 |
| 1953 | 33 |
| 1954 | 57 |
| 1955 | 49 |
| 1956 | 52 |
| 1957 | 77 |
| 1958 | 57 |
| 1959 | 64 |
| 1960 | 64 |
| 1961 | 79 |
| 1962 | 82 |
| 1963 | 96 |
| 1964 | 86 |
| 1965 | 91 |
| 1966 | 82 |
| 1967 | 80 |
| 1968 | 114 |
| 1969 | 136 |
| 1970 | 125 |
| 1971 | 138 |
| 1972 | 123 |
| 1973 | 125 |
| 1974 | 136 |
| 1975 | 134 |
| 1976 | 122 |
| 1977 | 129 |
| 1978 | 137 |
| 1979 | 164 |
| 1980 | 156 |
| 1981 | 170 |
| 1982 | 139 |
| 1983 | 160 |
| 1984 | 118 |
| 1985 | 135 |
| 1986 | 133 |
| 1987 | 130 |
| 1988 | 119 |
| 1989 | 118 |
| 1990 | 133 |
| 1991 | 112 |
| 1992 | 118 |
| 1993 | 127 |
| 1994 | 121 |
| 1995 | 136 |
| 1996 | 130 |
| 1997 | 126 |
| 1998 | 138 |
| 1999 | 137 |
| 2000 | 131 |
| 2001 | 122 |
| 2002 | 114 |
| 2003 | 119 |
| 2004 | 115 |
| 2005 | 133 |
| 2006 | 121 |
| 2007 | 106 |
| 2008 | 113 |
| 2009 | 117 |
| 2010 | 97 |
| 2011 | 108 |
| 2012 | 112 |
| 2013 | 121 |
| 2014 | 111 |
| 2015 | 118 |
| 2016 | 116 |
| 2017 | 96 |
| 2018 | 75 |
| 2019 | 105 |
| 2020 | 87 |
| 2021 | 91 |
| 2022 | 78 |
| 2023 | 78 |
| 2024 | 6 |