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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 6 |
| 1968 | 12 |
| 1969 | 22 |
| 1970 | 25 |
| 1971 | 51 |
| 1972 | 55 |
| 1973 | 77 |
| 1974 | 142 |
| 1975 | 211 |
| 1976 | 202 |
| 1977 | 243 |
| 1978 | 300 |
| 1979 | 374 |
| 1980 | 412 |
| 1981 | 415 |
| 1982 | 585 |
| 1983 | 676 |
| 1984 | 696 |
| 1985 | 746 |
| 1986 | 712 |
| 1987 | 569 |
| 1988 | 573 |
| 1989 | 566 |
| 1990 | 593 |
| 1991 | 617 |
| 1992 | 625 |
| 1993 | 582 |
| 1994 | 637 |
| 1995 | 582 |
| 1996 | 631 |
| 1997 | 736 |
| 1998 | 807 |
| 1999 | 896 |
| 2000 | 999 |
| 2001 | 1002 |
| 2002 | 947 |
| 2003 | 848 |
| 2004 | 866 |
| 2005 | 973 |
| 2006 | 962 |
| 2007 | 1033 |
| 2008 | 1052 |
| 2009 | 1091 |
| 2010 | 1242 |
| 2011 | 1266 |
| 2012 | 1372 |
| 2013 | 1361 |
| 2014 | 1294 |
| 2015 | 1289 |
| 2016 | 1133 |
| 2017 | 1068 |
| 2018 | 1073 |
| 2019 | 1011 |
| 2020 | 992 |
| 2021 | 931 |
| 2022 | 134 |
| 2023 | 19 |
| 2024 | 23 |