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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 1 |
| 1981 | 1 |
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 1 |
| 1989 | 2 |
| 1990 | 4 |
| 1991 | 4 |
| 1992 | 9 |
| 1993 | 8 |
| 1994 | 7 |
| 1995 | 8 |
| 1996 | 8 |
| 1997 | 18 |
| 1998 | 16 |
| 1999 | 26 |
| 2000 | 28 |
| 2001 | 40 |
| 2002 | 44 |
| 2003 | 40 |
| 2004 | 38 |
| 2005 | 53 |
| 2006 | 71 |
| 2007 | 98 |
| 2008 | 111 |
| 2009 | 133 |
| 2010 | 173 |
| 2011 | 221 |
| 2012 | 248 |
| 2013 | 268 |
| 2014 | 295 |
| 2015 | 334 |
| 2016 | 353 |
| 2017 | 369 |
| 2018 | 398 |
| 2019 | 427 |
| 2020 | 504 |
| 2021 | 496 |
| 2022 | 514 |
| 2023 | 506 |
| 2024 | 544 |
| 2025 | 372 |