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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 2 |
| 1974 | 19 |
| 1975 | 23 |
| 1976 | 26 |
| 1977 | 25 |
| 1978 | 28 |
| 1979 | 37 |
| 1980 | 32 |
| 1981 | 23 |
| 1982 | 17 |
| 1983 | 15 |
| 1984 | 23 |
| 1985 | 15 |
| 1986 | 9 |
| 1987 | 8 |
| 1988 | 31 |
| 1989 | 17 |
| 1990 | 14 |
| 1991 | 23 |
| 1992 | 30 |
| 1993 | 24 |
| 1994 | 33 |
| 1995 | 29 |
| 1996 | 20 |
| 1997 | 25 |
| 1998 | 23 |
| 1999 | 25 |
| 2000 | 41 |
| 2001 | 112 |
| 2002 | 137 |
| 2003 | 164 |
| 2004 | 123 |
| 2005 | 157 |
| 2006 | 216 |
| 2007 | 302 |
| 2008 | 371 |
| 2009 | 515 |
| 2010 | 845 |
| 2011 | 1053 |
| 2012 | 992 |
| 2013 | 935 |
| 2014 | 790 |
| 2015 | 751 |
| 2016 | 629 |
| 2017 | 542 |
| 2018 | 548 |
| 2019 | 415 |
| 2020 | 307 |
| 2021 | 197 |
| 2022 | 23 |
| 2023 | 11 |
| 2024 | 68 |
| 2025 | 130 |