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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1977 | 1 |
| 1981 | 1 |
| 1983 | 1 |
| 1985 | 2 |
| 1986 | 3 |
| 1987 | 48 |
| 1988 | 121 |
| 1989 | 144 |
| 1990 | 178 |
| 1991 | 159 |
| 1992 | 168 |
| 1993 | 180 |
| 1994 | 221 |
| 1995 | 256 |
| 1996 | 328 |
| 1997 | 416 |
| 1998 | 416 |
| 1999 | 394 |
| 2000 | 444 |
| 2001 | 514 |
| 2002 | 490 |
| 2003 | 546 |
| 2004 | 646 |
| 2005 | 612 |
| 2006 | 659 |
| 2007 | 583 |
| 2008 | 587 |
| 2009 | 658 |
| 2010 | 713 |
| 2011 | 633 |
| 2012 | 682 |
| 2013 | 686 |
| 2014 | 851 |
| 2015 | 990 |
| 2016 | 1072 |
| 2017 | 1098 |
| 2018 | 1137 |
| 2019 | 1169 |
| 2020 | 1275 |
| 2021 | 1388 |
| 2022 | 1305 |
| 2023 | 1144 |
| 2024 | 519 |