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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 8 |
| 1952 | 6 |
| 1953 | 5 |
| 1954 | 7 |
| 1955 | 3 |
| 1956 | 10 |
| 1957 | 10 |
| 1958 | 9 |
| 1959 | 3 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 27 |
| 1966 | 40 |
| 1967 | 67 |
| 1968 | 71 |
| 1969 | 95 |
| 1970 | 98 |
| 1971 | 91 |
| 1972 | 55 |
| 1973 | 49 |
| 1974 | 56 |
| 1975 | 37 |
| 1976 | 58 |
| 1977 | 50 |
| 1978 | 53 |
| 1979 | 55 |
| 1980 | 59 |
| 1981 | 49 |
| 1982 | 43 |
| 1983 | 58 |
| 1984 | 66 |
| 1985 | 42 |
| 1986 | 52 |
| 1987 | 41 |
| 1988 | 56 |
| 1989 | 50 |
| 1990 | 67 |
| 1991 | 60 |
| 1992 | 67 |
| 1993 | 81 |
| 1994 | 78 |
| 1995 | 104 |
| 1996 | 129 |
| 1997 | 164 |
| 1998 | 187 |
| 1999 | 236 |
| 2000 | 272 |
| 2001 | 238 |
| 2002 | 226 |
| 2003 | 336 |
| 2004 | 417 |
| 2005 | 441 |
| 2006 | 501 |
| 2007 | 507 |
| 2008 | 510 |
| 2009 | 570 |
| 2010 | 526 |
| 2011 | 621 |
| 2012 | 615 |
| 2013 | 670 |
| 2014 | 721 |
| 2015 | 783 |
| 2016 | 755 |
| 2017 | 766 |
| 2018 | 761 |
| 2019 | 722 |
| 2020 | 634 |
| 2021 | 382 |
| 2022 | 46 |
| 2023 | 26 |
| 2024 | 56 |