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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 259 |
| 1971 | 371 |
| 1972 | 433 |
| 1973 | 534 |
| 1974 | 461 |
| 1975 | 480 |
| 1976 | 501 |
| 1977 | 482 |
| 1978 | 554 |
| 1979 | 512 |
| 1980 | 524 |
| 1981 | 538 |
| 1982 | 442 |
| 1983 | 550 |
| 1984 | 503 |
| 1985 | 583 |
| 1986 | 613 |
| 1987 | 643 |
| 1988 | 816 |
| 1989 | 851 |
| 1990 | 925 |
| 1991 | 966 |
| 1992 | 1142 |
| 1993 | 1128 |
| 1994 | 1146 |
| 1995 | 935 |
| 1996 | 807 |
| 1997 | 803 |
| 1998 | 882 |
| 1999 | 899 |
| 2000 | 846 |
| 2001 | 876 |
| 2002 | 920 |
| 2003 | 916 |
| 2004 | 877 |
| 2005 | 1139 |
| 2006 | 672 |
| 2007 | 800 |
| 2008 | 665 |
| 2009 | 669 |
| 2010 | 671 |
| 2011 | 668 |
| 2012 | 586 |
| 2013 | 744 |
| 2014 | 677 |
| 2015 | 654 |
| 2016 | 709 |
| 2017 | 650 |
| 2018 | 646 |
| 2019 | 599 |
| 2020 | 1051 |
| 2021 | 1107 |
| 2022 | 742 |
| 2023 | 87 |