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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 3 |
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 2 |
| 1955 | 3 |
| 1957 | 1 |
| 1959 | 6 |
| 1960 | 8 |
| 1961 | 8 |
| 1962 | 10 |
| 1963 | 25 |
| 1964 | 29 |
| 1965 | 28 |
| 1966 | 99 |
| 1967 | 102 |
| 1968 | 82 |
| 1969 | 48 |
| 1970 | 83 |
| 1971 | 59 |
| 1972 | 50 |
| 1973 | 62 |
| 1974 | 124 |
| 1975 | 144 |
| 1976 | 157 |
| 1977 | 302 |
| 1978 | 635 |
| 1979 | 827 |
| 1980 | 15324 |
| 1981 | 33183 |
| 1982 | 34211 |
| 1983 | 34649 |
| 1984 | 36197 |
| 1985 | 36926 |
| 1986 | 38114 |
| 1987 | 39469 |
| 1988 | 40345 |
| 1989 | 41973 |
| 1990 | 43460 |
| 1991 | 44712 |
| 1992 | 45247 |
| 1993 | 45907 |
| 1994 | 47306 |
| 1995 | 47677 |
| 1996 | 47628 |
| 1997 | 47670 |
| 1998 | 48510 |
| 1999 | 49841 |
| 2000 | 51588 |
| 2001 | 53221 |
| 2002 | 55886 |
| 2003 | 59997 |
| 2004 | 65899 |
| 2005 | 74032 |
| 2006 | 83465 |
| 2007 | 90162 |
| 2008 | 100515 |
| 2009 | 107371 |
| 2010 | 116164 |
| 2011 | 125235 |
| 2012 | 129586 |
| 2013 | 134808 |
| 2014 | 135653 |
| 2015 | 136212 |
| 2016 | 131703 |
| 2017 | 126813 |
| 2018 | 128248 |
| 2019 | 129212 |
| 2020 | 141157 |
| 2021 | 147256 |
| 2022 | 134762 |
| 2023 | 133330 |
| 2024 | 106830 |
| 2025 | 3844 |