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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 18 |
| 1967 | 19 |
| 1968 | 30 |
| 1969 | 39 |
| 1970 | 27 |
| 1971 | 44 |
| 1972 | 44 |
| 1973 | 62 |
| 1974 | 63 |
| 1975 | 72 |
| 1976 | 58 |
| 1977 | 92 |
| 1978 | 94 |
| 1979 | 122 |
| 1980 | 145 |
| 1981 | 173 |
| 1982 | 90 |
| 1983 | 124 |
| 1984 | 115 |
| 1985 | 83 |
| 1986 | 158 |
| 1987 | 197 |
| 1988 | 225 |
| 1989 | 201 |
| 1990 | 194 |
| 1991 | 184 |
| 1992 | 127 |
| 1993 | 136 |
| 1994 | 130 |
| 1995 | 151 |
| 1996 | 132 |
| 1997 | 138 |
| 1998 | 154 |
| 1999 | 138 |
| 2000 | 168 |
| 2001 | 182 |
| 2002 | 222 |
| 2003 | 335 |
| 2004 | 401 |
| 2005 | 497 |
| 2006 | 596 |
| 2007 | 596 |
| 2008 | 628 |
| 2009 | 659 |
| 2010 | 712 |
| 2011 | 837 |
| 2012 | 894 |
| 2013 | 926 |
| 2014 | 920 |
| 2015 | 926 |
| 2016 | 861 |
| 2017 | 767 |
| 2018 | 726 |
| 2019 | 682 |
| 2020 | 687 |
| 2021 | 549 |
| 2022 | 373 |
| 2023 | 281 |
| 2024 | 136 |