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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 1 |
| 1972 | 1 |
| 1978 | 1 |
| 1979 | 2 |
| 1981 | 5 |
| 1982 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1989 | 13 |
| 1990 | 53 |
| 1991 | 189 |
| 1992 | 326 |
| 1993 | 373 |
| 1994 | 389 |
| 1995 | 439 |
| 1996 | 451 |
| 1997 | 492 |
| 1998 | 571 |
| 1999 | 700 |
| 2000 | 569 |
| 2001 | 611 |
| 2002 | 622 |
| 2003 | 700 |
| 2004 | 818 |
| 2005 | 724 |
| 2006 | 778 |
| 2007 | 915 |
| 2008 | 887 |
| 2009 | 973 |
| 2010 | 1068 |
| 2011 | 1180 |
| 2012 | 1129 |
| 2013 | 1004 |
| 2014 | 1121 |
| 2015 | 1191 |
| 2016 | 1089 |
| 2017 | 1007 |
| 2018 | 947 |
| 2019 | 921 |
| 2020 | 955 |
| 2021 | 735 |
| 2022 | 647 |
| 2023 | 514 |
| 2024 | 404 |