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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1978 | 1 |
| 1982 | 1 |
| 1984 | 1 |
| 1985 | 3 |
| 1986 | 3 |
| 1987 | 6 |
| 1988 | 6 |
| 1989 | 7 |
| 1990 | 13 |
| 1991 | 11 |
| 1992 | 14 |
| 1993 | 25 |
| 1994 | 13 |
| 1995 | 16 |
| 1996 | 13 |
| 1997 | 9 |
| 1998 | 17 |
| 1999 | 24 |
| 2000 | 13 |
| 2001 | 22 |
| 2002 | 46 |
| 2003 | 65 |
| 2004 | 111 |
| 2005 | 131 |
| 2006 | 157 |
| 2007 | 174 |
| 2008 | 188 |
| 2009 | 208 |
| 2010 | 203 |
| 2011 | 223 |
| 2012 | 260 |
| 2013 | 307 |
| 2014 | 289 |
| 2015 | 329 |
| 2016 | 462 |
| 2017 | 461 |
| 2018 | 435 |
| 2019 | 437 |
| 2020 | 472 |
| 2021 | 420 |
| 2022 | 315 |
| 2023 | 216 |
| 2024 | 67 |