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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 1 |
| 1975 | 13 |
| 1976 | 12 |
| 1977 | 24 |
| 1978 | 15 |
| 1979 | 16 |
| 1980 | 23 |
| 1981 | 17 |
| 1982 | 24 |
| 1983 | 22 |
| 1984 | 26 |
| 1985 | 32 |
| 1986 | 30 |
| 1987 | 51 |
| 1988 | 42 |
| 1989 | 49 |
| 1990 | 65 |
| 1991 | 48 |
| 1992 | 29 |
| 1993 | 39 |
| 1994 | 39 |
| 1995 | 46 |
| 1996 | 39 |
| 1997 | 31 |
| 1998 | 63 |
| 1999 | 69 |
| 2000 | 107 |
| 2001 | 134 |
| 2002 | 218 |
| 2003 | 240 |
| 2004 | 299 |
| 2005 | 298 |
| 2006 | 296 |
| 2007 | 292 |
| 2008 | 301 |
| 2009 | 350 |
| 2010 | 333 |
| 2011 | 445 |
| 2012 | 407 |
| 2013 | 386 |
| 2014 | 380 |
| 2015 | 352 |
| 2016 | 309 |
| 2017 | 228 |
| 2018 | 191 |
| 2019 | 127 |
| 2020 | 114 |
| 2021 | 74 |
| 2022 | 51 |
| 2023 | 4 |