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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1956 | 1 |
| 1961 | 1 |
| 1964 | 1 |
| 1965 | 53 |
| 1966 | 103 |
| 1967 | 116 |
| 1968 | 141 |
| 1969 | 158 |
| 1970 | 166 |
| 1971 | 171 |
| 1972 | 142 |
| 1973 | 165 |
| 1974 | 211 |
| 1975 | 299 |
| 1976 | 278 |
| 1977 | 316 |
| 1978 | 344 |
| 1979 | 357 |
| 1980 | 394 |
| 1981 | 414 |
| 1982 | 391 |
| 1983 | 467 |
| 1984 | 562 |
| 1985 | 609 |
| 1986 | 648 |
| 1987 | 701 |
| 1988 | 769 |
| 1989 | 796 |
| 1990 | 767 |
| 1991 | 829 |
| 1992 | 935 |
| 1993 | 862 |
| 1994 | 929 |
| 1995 | 869 |
| 1996 | 1097 |
| 1997 | 1168 |
| 1998 | 1055 |
| 1999 | 1132 |
| 2000 | 1329 |
| 2001 | 1400 |
| 2002 | 1482 |
| 2003 | 1753 |
| 2004 | 2013 |
| 2005 | 2487 |
| 2006 | 2737 |
| 2007 | 2784 |
| 2008 | 2980 |
| 2009 | 3148 |
| 2010 | 3505 |
| 2011 | 3855 |
| 2012 | 4231 |
| 2013 | 4593 |
| 2014 | 4787 |
| 2015 | 4974 |
| 2016 | 5073 |
| 2017 | 5401 |
| 2018 | 5453 |
| 2019 | 5728 |
| 2020 | 3828 |
| 2021 | 2038 |
| 2022 | 296 |
| 2023 | 197 |
| 2024 | 796 |