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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 1 |
| 1977 | 1 |
| 1981 | 2 |
| 1983 | 4 |
| 1984 | 4 |
| 1985 | 4 |
| 1986 | 2 |
| 1987 | 4 |
| 1988 | 10 |
| 1989 | 12 |
| 1990 | 17 |
| 1991 | 11 |
| 1992 | 13 |
| 1993 | 12 |
| 1994 | 11 |
| 1995 | 18 |
| 1996 | 21 |
| 1997 | 16 |
| 1998 | 20 |
| 1999 | 22 |
| 2000 | 32 |
| 2001 | 33 |
| 2002 | 41 |
| 2003 | 46 |
| 2004 | 50 |
| 2005 | 58 |
| 2006 | 66 |
| 2007 | 83 |
| 2008 | 91 |
| 2009 | 100 |
| 2010 | 120 |
| 2011 | 140 |
| 2012 | 144 |
| 2013 | 159 |
| 2014 | 145 |
| 2015 | 194 |
| 2016 | 250 |
| 2017 | 254 |
| 2018 | 297 |
| 2019 | 359 |
| 2020 | 430 |
| 2021 | 454 |
| 2022 | 496 |
| 2023 | 511 |
| 2024 | 515 |
| 2025 | 491 |