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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1989 | 1 |
| 1990 | 3 |
| 1991 | 5 |
| 1992 | 10 |
| 1993 | 24 |
| 1994 | 37 |
| 1995 | 47 |
| 1996 | 62 |
| 1997 | 96 |
| 1998 | 97 |
| 1999 | 101 |
| 2000 | 140 |
| 2001 | 187 |
| 2002 | 211 |
| 2003 | 268 |
| 2004 | 352 |
| 2005 | 486 |
| 2006 | 747 |
| 2007 | 1036 |
| 2008 | 1266 |
| 2009 | 1480 |
| 2010 | 1563 |
| 2011 | 1748 |
| 2012 | 1781 |
| 2013 | 1849 |
| 2014 | 1844 |
| 2015 | 1788 |
| 2016 | 1693 |
| 2017 | 1715 |
| 2018 | 1673 |
| 2019 | 1752 |
| 2020 | 1686 |
| 2021 | 1535 |
| 2022 | 1372 |
| 2023 | 1061 |
| 2024 | 418 |