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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 1 |
| 1977 | 1 |
| 1979 | 3 |
| 1980 | 6 |
| 1981 | 5 |
| 1982 | 5 |
| 1983 | 8 |
| 1984 | 7 |
| 1985 | 7 |
| 1986 | 14 |
| 1987 | 11 |
| 1988 | 12 |
| 1989 | 15 |
| 1990 | 11 |
| 1991 | 18 |
| 1992 | 28 |
| 1993 | 28 |
| 1994 | 37 |
| 1995 | 30 |
| 1996 | 27 |
| 1997 | 35 |
| 1998 | 43 |
| 1999 | 45 |
| 2000 | 38 |
| 2001 | 81 |
| 2002 | 77 |
| 2003 | 93 |
| 2004 | 143 |
| 2005 | 187 |
| 2006 | 207 |
| 2007 | 245 |
| 2008 | 250 |
| 2009 | 315 |
| 2010 | 316 |
| 2011 | 371 |
| 2012 | 410 |
| 2013 | 477 |
| 2014 | 529 |
| 2015 | 648 |
| 2016 | 639 |
| 2017 | 700 |
| 2018 | 802 |
| 2019 | 894 |
| 2020 | 1090 |
| 2021 | 1263 |
| 2022 | 1444 |
| 2023 | 161 |