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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 16 |
| 1952 | 31 |
| 1953 | 28 |
| 1954 | 30 |
| 1955 | 30 |
| 1956 | 61 |
| 1957 | 85 |
| 1958 | 104 |
| 1959 | 148 |
| 1960 | 135 |
| 1961 | 158 |
| 1962 | 101 |
| 1963 | 2 |
| 1964 | 29 |
| 1965 | 265 |
| 1966 | 634 |
| 1967 | 735 |
| 1968 | 965 |
| 1969 | 1045 |
| 1970 | 1142 |
| 1971 | 1339 |
| 1972 | 1423 |
| 1973 | 1576 |
| 1974 | 1646 |
| 1975 | 1593 |
| 1976 | 1618 |
| 1977 | 1721 |
| 1978 | 1703 |
| 1979 | 1779 |
| 1980 | 1941 |
| 1981 | 1913 |
| 1982 | 2132 |
| 1983 | 2173 |
| 1984 | 2315 |
| 1985 | 2316 |
| 1986 | 2326 |
| 1987 | 2363 |
| 1988 | 2372 |
| 1989 | 2449 |
| 1990 | 2473 |
| 1991 | 2415 |
| 1992 | 2392 |
| 1993 | 2341 |
| 1994 | 2269 |
| 1995 | 2214 |
| 1996 | 2064 |
| 1997 | 1992 |
| 1998 | 2010 |
| 1999 | 1975 |
| 2000 | 2244 |
| 2001 | 2131 |
| 2002 | 2134 |
| 2003 | 2151 |
| 2004 | 2098 |
| 2005 | 2106 |
| 2006 | 2270 |
| 2007 | 2409 |
| 2008 | 2574 |
| 2009 | 2484 |
| 2010 | 2382 |
| 2011 | 2121 |
| 2012 | 2007 |
| 2013 | 1995 |
| 2014 | 1922 |
| 2015 | 1958 |
| 2016 | 1821 |
| 2017 | 1692 |
| 2018 | 1644 |
| 2019 | 1654 |
| 2020 | 1275 |
| 2021 | 959 |
| 2022 | 789 |
| 2023 | 706 |
| 2024 | 462 |