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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 4 |
| 1978 | 9 |
| 1979 | 16 |
| 1980 | 22 |
| 1981 | 17 |
| 1982 | 24 |
| 1983 | 29 |
| 1984 | 25 |
| 1985 | 36 |
| 1986 | 15 |
| 1987 | 23 |
| 1988 | 31 |
| 1989 | 42 |
| 1990 | 52 |
| 1991 | 54 |
| 1992 | 119 |
| 1993 | 116 |
| 1994 | 105 |
| 1995 | 105 |
| 1996 | 123 |
| 1997 | 165 |
| 1998 | 439 |
| 1999 | 473 |
| 2000 | 354 |
| 2001 | 328 |
| 2002 | 332 |
| 2003 | 429 |
| 2004 | 569 |
| 2005 | 512 |
| 2006 | 540 |
| 2007 | 607 |
| 2008 | 574 |
| 2009 | 631 |
| 2010 | 485 |
| 2011 | 604 |
| 2012 | 718 |
| 2013 | 653 |
| 2014 | 663 |
| 2015 | 748 |
| 2016 | 789 |
| 2017 | 816 |
| 2018 | 795 |
| 2019 | 761 |
| 2020 | 500 |
| 2021 | 208 |
| 2022 | 19 |
| 2023 | 37 |
| 2024 | 521 |
| 2025 | 563 |