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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 10 |
| 1979 | 12 |
| 1980 | 9 |
| 1981 | 1 |
| 1982 | 3 |
| 1983 | 4 |
| 1984 | 8 |
| 1985 | 7 |
| 1986 | 9 |
| 1987 | 41 |
| 1988 | 94 |
| 1989 | 100 |
| 1990 | 175 |
| 1991 | 162 |
| 1992 | 254 |
| 1993 | 222 |
| 1994 | 265 |
| 1995 | 218 |
| 1996 | 254 |
| 1997 | 272 |
| 1998 | 314 |
| 1999 | 306 |
| 2000 | 331 |
| 2001 | 387 |
| 2002 | 347 |
| 2003 | 343 |
| 2004 | 415 |
| 2005 | 495 |
| 2006 | 461 |
| 2007 | 497 |
| 2008 | 509 |
| 2009 | 528 |
| 2010 | 642 |
| 2011 | 661 |
| 2012 | 577 |
| 2013 | 689 |
| 2014 | 658 |
| 2015 | 527 |
| 2016 | 542 |
| 2017 | 534 |
| 2018 | 512 |
| 2019 | 490 |
| 2020 | 418 |
| 2021 | 265 |
| 2022 | 79 |
| 2023 | 60 |
| 2024 | 90 |