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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 2 |
| 1948 | 2 |
| 1950 | 2 |
| 1951 | 4 |
| 1952 | 1 |
| 1953 | 8 |
| 1954 | 6 |
| 1955 | 8 |
| 1956 | 8 |
| 1957 | 13 |
| 1958 | 4 |
| 1959 | 6 |
| 1960 | 2 |
| 1961 | 10 |
| 1962 | 8 |
| 1963 | 8 |
| 1964 | 63 |
| 1965 | 58 |
| 1966 | 61 |
| 1967 | 89 |
| 1968 | 121 |
| 1969 | 125 |
| 1970 | 132 |
| 1971 | 137 |
| 1972 | 155 |
| 1973 | 175 |
| 1974 | 144 |
| 1975 | 171 |
| 1976 | 169 |
| 1977 | 158 |
| 1978 | 155 |
| 1979 | 173 |
| 1980 | 199 |
| 1981 | 188 |
| 1982 | 204 |
| 1983 | 253 |
| 1984 | 277 |
| 1985 | 254 |
| 1986 | 226 |
| 1987 | 242 |
| 1988 | 286 |
| 1989 | 276 |
| 1990 | 274 |
| 1991 | 282 |
| 1992 | 292 |
| 1993 | 230 |
| 1994 | 167 |
| 1995 | 151 |
| 1996 | 132 |
| 1997 | 135 |
| 1998 | 145 |
| 1999 | 125 |
| 2000 | 140 |
| 2001 | 120 |
| 2002 | 110 |
| 2003 | 75 |
| 2004 | 78 |
| 2005 | 67 |
| 2006 | 83 |
| 2007 | 84 |
| 2008 | 73 |
| 2009 | 72 |
| 2010 | 62 |
| 2011 | 64 |
| 2012 | 68 |
| 2013 | 60 |
| 2014 | 84 |
| 2015 | 83 |
| 2016 | 55 |
| 2017 | 43 |
| 2018 | 50 |
| 2019 | 41 |
| 2020 | 27 |
| 2021 | 33 |
| 2022 | 21 |
| 2023 | 18 |
| 2024 | 23 |
| 2025 | 4 |