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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 | 36196 |
| 1985 | 36925 |
| 1986 | 38113 |
| 1987 | 39469 |
| 1988 | 40345 |
| 1989 | 41972 |
| 1990 | 43458 |
| 1991 | 44710 |
| 1992 | 45246 |
| 1993 | 45907 |
| 1994 | 47304 |
| 1995 | 47676 |
| 1996 | 47625 |
| 1997 | 47668 |
| 1998 | 48507 |
| 1999 | 49840 |
| 2000 | 51584 |
| 2001 | 53213 |
| 2002 | 55878 |
| 2003 | 59985 |
| 2004 | 65887 |
| 2005 | 74026 |
| 2006 | 83453 |
| 2007 | 90142 |
| 2008 | 100488 |
| 2009 | 107341 |
| 2010 | 116131 |
| 2011 | 125194 |
| 2012 | 129534 |
| 2013 | 134759 |
| 2014 | 135602 |
| 2015 | 136123 |
| 2016 | 131517 |
| 2017 | 126399 |
| 2018 | 127886 |
| 2019 | 128494 |
| 2020 | 140387 |
| 2021 | 146104 |
| 2022 | 131799 |
| 2023 | 126508 |
| 2024 | 41754 |
| 2025 | 1 |