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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 1 |
| 1970 | 1 |
| 1975 | 4 |
| 1977 | 1 |
| 1979 | 2 |
| 1981 | 6 |
| 1982 | 1 |
| 1985 | 1 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 11 |
| 1990 | 46 |
| 1991 | 167 |
| 1992 | 319 |
| 1993 | 397 |
| 1994 | 417 |
| 1995 | 427 |
| 1996 | 494 |
| 1997 | 564 |
| 1998 | 620 |
| 1999 | 740 |
| 2000 | 689 |
| 2001 | 714 |
| 2002 | 794 |
| 2003 | 820 |
| 2004 | 880 |
| 2005 | 855 |
| 2006 | 1076 |
| 2007 | 1236 |
| 2008 | 1303 |
| 2009 | 1398 |
| 2010 | 1505 |
| 2011 | 1648 |
| 2012 | 1709 |
| 2013 | 1658 |
| 2014 | 1808 |
| 2015 | 2038 |
| 2016 | 1947 |
| 2017 | 1884 |
| 2018 | 2065 |
| 2019 | 2127 |
| 2020 | 1841 |
| 2021 | 1355 |
| 2022 | 927 |
| 2023 | 688 |
| 2024 | 282 |