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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1946 | 1 |
| 1947 | 7 |
| 1948 | 6 |
| 1949 | 8 |
| 1950 | 1 |
| 1951 | 5 |
| 1952 | 7 |
| 1953 | 18 |
| 1954 | 12 |
| 1955 | 16 |
| 1956 | 7 |
| 1957 | 12 |
| 1958 | 16 |
| 1959 | 15 |
| 1960 | 20 |
| 1961 | 28 |
| 1962 | 25 |
| 1964 | 2 |
| 1965 | 25 |
| 1966 | 41 |
| 1967 | 34 |
| 1968 | 43 |
| 1969 | 69 |
| 1970 | 52 |
| 1971 | 62 |
| 1972 | 87 |
| 1973 | 81 |
| 1974 | 76 |
| 1975 | 63 |
| 1976 | 68 |
| 1977 | 70 |
| 1978 | 86 |
| 1979 | 81 |
| 1980 | 124 |
| 1981 | 79 |
| 1982 | 82 |
| 1983 | 119 |
| 1984 | 102 |
| 1985 | 91 |
| 1986 | 124 |
| 1987 | 99 |
| 1988 | 140 |
| 1989 | 181 |
| 1990 | 142 |
| 1991 | 168 |
| 1992 | 134 |
| 1993 | 150 |
| 1994 | 153 |
| 1995 | 157 |
| 1996 | 173 |
| 1997 | 168 |
| 1998 | 204 |
| 1999 | 202 |
| 2000 | 175 |
| 2001 | 211 |
| 2002 | 190 |
| 2003 | 159 |
| 2004 | 181 |
| 2005 | 170 |
| 2006 | 204 |
| 2007 | 255 |
| 2008 | 251 |
| 2009 | 230 |
| 2010 | 255 |
| 2011 | 272 |
| 2012 | 279 |
| 2013 | 288 |
| 2014 | 248 |
| 2015 | 216 |
| 2016 | 225 |
| 2017 | 235 |
| 2018 | 206 |
| 2019 | 158 |
| 2020 | 136 |
| 2021 | 96 |
| 2022 | 42 |
| 2023 | 54 |
| 2024 | 20 |