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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 2 |
| 1974 | 2 |
| 1975 | 7 |
| 1976 | 8 |
| 1977 | 4 |
| 1978 | 10 |
| 1979 | 15 |
| 1980 | 15 |
| 1981 | 21 |
| 1982 | 30 |
| 1983 | 34 |
| 1984 | 33 |
| 1985 | 71 |
| 1986 | 98 |
| 1987 | 100 |
| 1988 | 106 |
| 1989 | 140 |
| 1990 | 144 |
| 1991 | 167 |
| 1992 | 132 |
| 1993 | 164 |
| 1994 | 191 |
| 1995 | 147 |
| 1996 | 238 |
| 1997 | 231 |
| 1998 | 223 |
| 1999 | 170 |
| 2000 | 251 |
| 2001 | 217 |
| 2002 | 236 |
| 2003 | 187 |
| 2004 | 236 |
| 2005 | 278 |
| 2006 | 410 |
| 2007 | 380 |
| 2008 | 404 |
| 2009 | 502 |
| 2010 | 578 |
| 2011 | 645 |
| 2012 | 650 |
| 2013 | 694 |
| 2014 | 734 |
| 2015 | 719 |
| 2016 | 632 |
| 2017 | 604 |
| 2018 | 676 |
| 2019 | 661 |
| 2020 | 692 |
| 2021 | 733 |
| 2022 | 1278 |
| 2023 | 1310 |
| 2024 | 637 |