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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1980 | 3 |
| 1981 | 6 |
| 1982 | 10 |
| 1983 | 11 |
| 1984 | 12 |
| 1985 | 30 |
| 1986 | 28 |
| 1987 | 34 |
| 1988 | 44 |
| 1989 | 49 |
| 1990 | 39 |
| 1991 | 52 |
| 1992 | 39 |
| 1993 | 73 |
| 1994 | 75 |
| 1995 | 115 |
| 1996 | 156 |
| 1997 | 181 |
| 1998 | 183 |
| 1999 | 209 |
| 2000 | 241 |
| 2001 | 201 |
| 2002 | 177 |
| 2003 | 241 |
| 2004 | 232 |
| 2005 | 244 |
| 2006 | 242 |
| 2007 | 300 |
| 2008 | 340 |
| 2009 | 408 |
| 2010 | 462 |
| 2011 | 518 |
| 2012 | 453 |
| 2013 | 500 |
| 2014 | 497 |
| 2015 | 513 |
| 2016 | 483 |
| 2017 | 477 |
| 2018 | 471 |
| 2019 | 506 |
| 2020 | 514 |
| 2021 | 452 |
| 2022 | 248 |
| 2023 | 142 |
| 2024 | 136 |