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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 6 |
| 1966 | 21 |
| 1967 | 43 |
| 1968 | 58 |
| 1969 | 67 |
| 1970 | 77 |
| 1971 | 95 |
| 1972 | 81 |
| 1973 | 97 |
| 1974 | 121 |
| 1975 | 147 |
| 1976 | 173 |
| 1977 | 168 |
| 1978 | 177 |
| 1979 | 186 |
| 1980 | 198 |
| 1981 | 170 |
| 1982 | 158 |
| 1983 | 147 |
| 1984 | 153 |
| 1985 | 199 |
| 1986 | 196 |
| 1987 | 266 |
| 1988 | 455 |
| 1989 | 635 |
| 1990 | 797 |
| 1991 | 801 |
| 1992 | 913 |
| 1993 | 1153 |
| 1994 | 1367 |
| 1995 | 1698 |
| 1996 | 1910 |
| 1997 | 2213 |
| 1998 | 2431 |
| 1999 | 2586 |
| 2000 | 2677 |
| 2001 | 2987 |
| 2002 | 3298 |
| 2003 | 3858 |
| 2004 | 4048 |
| 2005 | 4870 |
| 2006 | 5108 |
| 2007 | 5603 |
| 2008 | 6171 |
| 2009 | 6703 |
| 2010 | 7966 |
| 2011 | 8881 |
| 2012 | 9883 |
| 2013 | 10051 |
| 2014 | 9919 |
| 2015 | 9945 |
| 2016 | 9646 |
| 2017 | 8854 |
| 2018 | 8709 |
| 2019 | 9281 |
| 2020 | 9195 |
| 2021 | 7013 |
| 2022 | 3573 |
| 2023 | 2249 |
| 2024 | 819 |