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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1981 | 1 |
| 1983 | 3 |
| 1984 | 3 |
| 1985 | 1 |
| 1986 | 5 |
| 1987 | 4 |
| 1988 | 4 |
| 1989 | 4 |
| 1990 | 4 |
| 1991 | 7 |
| 1992 | 5 |
| 1993 | 5 |
| 1994 | 3 |
| 1995 | 7 |
| 1996 | 9 |
| 1997 | 13 |
| 1998 | 16 |
| 1999 | 19 |
| 2000 | 34 |
| 2001 | 21 |
| 2002 | 40 |
| 2003 | 45 |
| 2004 | 46 |
| 2005 | 53 |
| 2006 | 81 |
| 2007 | 97 |
| 2008 | 94 |
| 2009 | 90 |
| 2010 | 127 |
| 2011 | 126 |
| 2012 | 154 |
| 2013 | 201 |
| 2014 | 235 |
| 2015 | 250 |
| 2016 | 223 |
| 2017 | 271 |
| 2018 | 332 |
| 2019 | 392 |
| 2020 | 419 |
| 2021 | 490 |
| 2022 | 488 |
| 2023 | 376 |