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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 2 |
| 1970 | 2 |
| 1971 | 1 |
| 1979 | 2 |
| 1980 | 1 |
| 1982 | 3 |
| 1983 | 3 |
| 1984 | 5 |
| 1985 | 11 |
| 1986 | 10 |
| 1987 | 9 |
| 1988 | 8 |
| 1989 | 7 |
| 1990 | 10 |
| 1991 | 22 |
| 1992 | 20 |
| 1993 | 25 |
| 1994 | 16 |
| 1995 | 33 |
| 1996 | 29 |
| 1997 | 17 |
| 1998 | 16 |
| 1999 | 34 |
| 2000 | 41 |
| 2001 | 50 |
| 2002 | 46 |
| 2003 | 44 |
| 2004 | 57 |
| 2005 | 80 |
| 2006 | 100 |
| 2007 | 99 |
| 2008 | 121 |
| 2009 | 128 |
| 2010 | 171 |
| 2011 | 206 |
| 2012 | 272 |
| 2013 | 314 |
| 2014 | 393 |
| 2015 | 418 |
| 2016 | 418 |
| 2017 | 468 |
| 2018 | 520 |
| 2019 | 615 |
| 2020 | 738 |
| 2021 | 830 |
| 2022 | 1027 |
| 2023 | 980 |
| 2024 | 806 |