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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 2 |
| 1971 | 3 |
| 1972 | 5 |
| 1973 | 23 |
| 1974 | 195 |
| 1975 | 400 |
| 1976 | 478 |
| 1977 | 492 |
| 1978 | 592 |
| 1979 | 546 |
| 1980 | 570 |
| 1981 | 602 |
| 1982 | 626 |
| 1983 | 578 |
| 1984 | 901 |
| 1985 | 553 |
| 1986 | 689 |
| 1987 | 607 |
| 1988 | 674 |
| 1989 | 767 |
| 1990 | 886 |
| 1991 | 829 |
| 1992 | 768 |
| 1993 | 778 |
| 1994 | 963 |
| 1995 | 873 |
| 1996 | 828 |
| 1997 | 987 |
| 1998 | 1102 |
| 1999 | 1174 |
| 2000 | 1640 |
| 2001 | 1906 |
| 2002 | 2110 |
| 2003 | 2716 |
| 2004 | 3322 |
| 2005 | 3969 |
| 2006 | 4140 |
| 2007 | 4472 |
| 2008 | 4582 |
| 2009 | 4207 |
| 2010 | 4249 |
| 2011 | 4461 |
| 2012 | 4258 |
| 2013 | 3934 |
| 2014 | 3535 |
| 2015 | 3639 |
| 2016 | 3212 |
| 2017 | 3135 |
| 2018 | 3314 |
| 2019 | 3366 |
| 2020 | 2376 |
| 2021 | 1881 |
| 2022 | 2150 |
| 2023 | 1927 |
| 2024 | 2844 |
| 2025 | 217 |