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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 4 |
| 1953 | 3 |
| 1954 | 4 |
| 1955 | 2 |
| 1956 | 3 |
| 1957 | 2 |
| 1958 | 9 |
| 1959 | 2 |
| 1960 | 22 |
| 1961 | 16 |
| 1962 | 11 |
| 1963 | 15 |
| 1964 | 27 |
| 1965 | 21 |
| 1966 | 18 |
| 1967 | 29 |
| 1968 | 27 |
| 1969 | 21 |
| 1970 | 27 |
| 1971 | 38 |
| 1972 | 19 |
| 1973 | 28 |
| 1974 | 27 |
| 1975 | 26 |
| 1976 | 21 |
| 1977 | 31 |
| 1978 | 45 |
| 1979 | 38 |
| 1980 | 64 |
| 1981 | 54 |
| 1982 | 56 |
| 1983 | 51 |
| 1984 | 65 |
| 1985 | 82 |
| 1986 | 93 |
| 1987 | 99 |
| 1988 | 85 |
| 1989 | 104 |
| 1990 | 106 |
| 1991 | 114 |
| 1992 | 118 |
| 1993 | 118 |
| 1994 | 139 |
| 1995 | 143 |
| 1996 | 155 |
| 1997 | 176 |
| 1998 | 165 |
| 1999 | 179 |
| 2000 | 197 |
| 2001 | 200 |
| 2002 | 211 |
| 2003 | 215 |
| 2004 | 224 |
| 2005 | 224 |
| 2006 | 286 |
| 2007 | 303 |
| 2008 | 325 |
| 2009 | 328 |
| 2010 | 375 |
| 2011 | 429 |
| 2012 | 448 |
| 2013 | 505 |
| 2014 | 508 |
| 2015 | 476 |
| 2016 | 493 |
| 2017 | 507 |
| 2018 | 564 |
| 2019 | 611 |
| 2020 | 718 |
| 2021 | 744 |
| 2022 | 740 |
| 2023 | 692 |
| 2024 | 467 |