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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 4 |
| 1989 | 1 |
| 1990 | 6 |
| 1991 | 5 |
| 1992 | 7 |
| 1993 | 10 |
| 1994 | 6 |
| 1995 | 19 |
| 1996 | 17 |
| 1997 | 13 |
| 1998 | 17 |
| 1999 | 15 |
| 2000 | 20 |
| 2001 | 23 |
| 2002 | 41 |
| 2003 | 53 |
| 2004 | 90 |
| 2005 | 86 |
| 2006 | 96 |
| 2007 | 116 |
| 2008 | 123 |
| 2009 | 179 |
| 2010 | 176 |
| 2011 | 172 |
| 2012 | 222 |
| 2013 | 272 |
| 2014 | 272 |
| 2015 | 326 |
| 2016 | 368 |
| 2017 | 349 |
| 2018 | 346 |
| 2019 | 426 |
| 2020 | 473 |
| 2021 | 631 |
| 2022 | 732 |
| 2023 | 630 |
| 2024 | 543 |