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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1957 | 2 |
| 1958 | 4 |
| 1959 | 1 |
| 1960 | 4 |
| 1961 | 6 |
| 1962 | 6 |
| 1963 | 5 |
| 1964 | 13 |
| 1965 | 9 |
| 1966 | 9 |
| 1967 | 14 |
| 1968 | 8 |
| 1969 | 20 |
| 1970 | 12 |
| 1971 | 8 |
| 1972 | 14 |
| 1973 | 11 |
| 1974 | 21 |
| 1975 | 22 |
| 1976 | 31 |
| 1977 | 42 |
| 1978 | 31 |
| 1979 | 49 |
| 1980 | 56 |
| 1981 | 60 |
| 1982 | 61 |
| 1983 | 79 |
| 1984 | 137 |
| 1985 | 129 |
| 1986 | 119 |
| 1987 | 113 |
| 1988 | 129 |
| 1989 | 144 |
| 1990 | 170 |
| 1991 | 238 |
| 1992 | 391 |
| 1993 | 473 |
| 1994 | 394 |
| 1995 | 371 |
| 1996 | 400 |
| 1997 | 404 |
| 1998 | 411 |
| 1999 | 453 |
| 2000 | 484 |
| 2001 | 499 |
| 2002 | 499 |
| 2003 | 498 |
| 2004 | 487 |
| 2005 | 585 |
| 2006 | 671 |
| 2007 | 727 |
| 2008 | 840 |
| 2009 | 928 |
| 2010 | 1051 |
| 2011 | 1199 |
| 2012 | 1165 |
| 2013 | 1282 |
| 2014 | 1467 |
| 2015 | 1607 |
| 2016 | 1690 |
| 2017 | 1760 |
| 2018 | 1710 |
| 2019 | 1831 |
| 2020 | 2120 |
| 2021 | 2169 |
| 2022 | 2091 |
| 2023 | 2023 |
| 2024 | 856 |