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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 8 |
| 1951 | 7 |
| 1952 | 1 |
| 1953 | 1 |
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 3 |
| 1958 | 5 |
| 1959 | 1 |
| 1960 | 12 |
| 1961 | 6 |
| 1962 | 12 |
| 1965 | 17 |
| 1966 | 34 |
| 1967 | 28 |
| 1968 | 34 |
| 1969 | 51 |
| 1970 | 57 |
| 1971 | 52 |
| 1972 | 65 |
| 1973 | 70 |
| 1974 | 71 |
| 1975 | 63 |
| 1976 | 75 |
| 1977 | 64 |
| 1978 | 83 |
| 1979 | 83 |
| 1980 | 78 |
| 1981 | 85 |
| 1982 | 119 |
| 1983 | 93 |
| 1984 | 125 |
| 1985 | 129 |
| 1986 | 123 |
| 1987 | 162 |
| 1988 | 141 |
| 1989 | 170 |
| 1990 | 165 |
| 1991 | 172 |
| 1992 | 172 |
| 1993 | 174 |
| 1994 | 142 |
| 1995 | 137 |
| 1996 | 139 |
| 1997 | 152 |
| 1998 | 169 |
| 1999 | 157 |
| 2000 | 185 |
| 2001 | 227 |
| 2002 | 203 |
| 2003 | 250 |
| 2004 | 270 |
| 2005 | 283 |
| 2006 | 341 |
| 2007 | 422 |
| 2008 | 538 |
| 2009 | 560 |
| 2010 | 712 |
| 2011 | 829 |
| 2012 | 967 |
| 2013 | 1045 |
| 2014 | 1022 |
| 2015 | 959 |
| 2016 | 814 |
| 2017 | 873 |
| 2018 | 850 |
| 2019 | 765 |
| 2020 | 584 |
| 2021 | 405 |
| 2022 | 88 |
| 2023 | 52 |
| 2024 | 349 |