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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 7 |
| 1947 | 13 |
| 1948 | 4 |
| 1949 | 2 |
| 1951 | 13 |
| 1952 | 17 |
| 1953 | 21 |
| 1954 | 15 |
| 1955 | 20 |
| 1956 | 20 |
| 1957 | 23 |
| 1958 | 25 |
| 1959 | 18 |
| 1960 | 23 |
| 1961 | 41 |
| 1962 | 27 |
| 1964 | 6 |
| 1965 | 44 |
| 1966 | 67 |
| 1967 | 84 |
| 1968 | 73 |
| 1969 | 64 |
| 1970 | 48 |
| 1971 | 69 |
| 1972 | 64 |
| 1973 | 85 |
| 1974 | 66 |
| 1975 | 116 |
| 1976 | 102 |
| 1977 | 92 |
| 1978 | 97 |
| 1979 | 112 |
| 1980 | 102 |
| 1981 | 110 |
| 1982 | 142 |
| 1983 | 123 |
| 1984 | 123 |
| 1985 | 112 |
| 1986 | 115 |
| 1987 | 126 |
| 1988 | 128 |
| 1989 | 113 |
| 1990 | 129 |
| 1991 | 129 |
| 1992 | 109 |
| 1993 | 115 |
| 1994 | 100 |
| 1995 | 105 |
| 1996 | 85 |
| 1997 | 89 |
| 1998 | 70 |
| 1999 | 104 |
| 2000 | 122 |
| 2001 | 128 |
| 2002 | 143 |
| 2003 | 154 |
| 2004 | 172 |
| 2005 | 188 |
| 2006 | 214 |
| 2007 | 202 |
| 2008 | 223 |
| 2009 | 221 |
| 2010 | 206 |
| 2011 | 233 |
| 2012 | 241 |
| 2013 | 218 |
| 2014 | 208 |
| 2015 | 185 |
| 2016 | 210 |
| 2017 | 201 |
| 2018 | 160 |
| 2019 | 172 |
| 2020 | 168 |
| 2021 | 119 |
| 2022 | 57 |
| 2023 | 58 |
| 2024 | 28 |