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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1973 | 5 |
| 1974 | 15 |
| 1975 | 15 |
| 1976 | 5 |
| 1977 | 8 |
| 1978 | 11 |
| 1979 | 7 |
| 1980 | 10 |
| 1981 | 12 |
| 1982 | 10 |
| 1983 | 17 |
| 1984 | 21 |
| 1985 | 23 |
| 1986 | 18 |
| 1987 | 15 |
| 1988 | 19 |
| 1989 | 28 |
| 1990 | 37 |
| 1991 | 31 |
| 1992 | 48 |
| 1993 | 64 |
| 1994 | 76 |
| 1995 | 83 |
| 1996 | 99 |
| 1997 | 126 |
| 1998 | 145 |
| 1999 | 167 |
| 2000 | 179 |
| 2001 | 174 |
| 2002 | 225 |
| 2003 | 259 |
| 2004 | 225 |
| 2005 | 281 |
| 2006 | 308 |
| 2007 | 320 |
| 2008 | 356 |
| 2009 | 473 |
| 2010 | 533 |
| 2011 | 506 |
| 2012 | 636 |
| 2013 | 792 |
| 2014 | 763 |
| 2015 | 722 |
| 2016 | 710 |
| 2017 | 695 |
| 2018 | 731 |
| 2019 | 842 |
| 2020 | 638 |
| 2021 | 595 |
| 2022 | 266 |
| 2023 | 194 |
| 2024 | 176 |