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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 9 |
| 1975 | 30 |
| 1976 | 34 |
| 1977 | 31 |
| 1978 | 18 |
| 1979 | 20 |
| 1980 | 23 |
| 1981 | 16 |
| 1982 | 19 |
| 1983 | 24 |
| 1984 | 19 |
| 1985 | 13 |
| 1986 | 17 |
| 1987 | 22 |
| 1988 | 15 |
| 1989 | 33 |
| 1990 | 60 |
| 1991 | 178 |
| 1992 | 237 |
| 1993 | 325 |
| 1994 | 547 |
| 1995 | 552 |
| 1996 | 590 |
| 1997 | 514 |
| 1998 | 537 |
| 1999 | 568 |
| 2000 | 562 |
| 2001 | 752 |
| 2002 | 914 |
| 2003 | 892 |
| 2004 | 901 |
| 2005 | 901 |
| 2006 | 807 |
| 2007 | 1185 |
| 2008 | 1301 |
| 2009 | 1475 |
| 2010 | 1630 |
| 2011 | 1971 |
| 2012 | 1942 |
| 2013 | 2036 |
| 2014 | 2194 |
| 2015 | 2178 |
| 2016 | 1947 |
| 2017 | 1887 |
| 2018 | 1975 |
| 2019 | 2014 |
| 2020 | 1603 |
| 2021 | 1237 |
| 2022 | 2827 |
| 2023 | 2711 |
| 2024 | 1793 |