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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 4 |
| 1977 | 7 |
| 1978 | 3 |
| 1979 | 5 |
| 1980 | 10 |
| 1981 | 9 |
| 1982 | 10 |
| 1983 | 9 |
| 1984 | 20 |
| 1985 | 25 |
| 1986 | 24 |
| 1987 | 14 |
| 1988 | 39 |
| 1989 | 30 |
| 1990 | 36 |
| 1991 | 41 |
| 1992 | 32 |
| 1993 | 28 |
| 1994 | 26 |
| 1995 | 56 |
| 1996 | 65 |
| 1997 | 75 |
| 1998 | 71 |
| 1999 | 69 |
| 2000 | 84 |
| 2001 | 127 |
| 2002 | 149 |
| 2003 | 165 |
| 2004 | 194 |
| 2005 | 242 |
| 2006 | 303 |
| 2007 | 332 |
| 2008 | 325 |
| 2009 | 313 |
| 2010 | 373 |
| 2011 | 429 |
| 2012 | 430 |
| 2013 | 429 |
| 2014 | 438 |
| 2015 | 492 |
| 2016 | 491 |
| 2017 | 536 |
| 2018 | 625 |
| 2019 | 674 |
| 2020 | 722 |
| 2021 | 719 |
| 2022 | 432 |
| 2023 | 303 |
| 2024 | 114 |