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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1972 | 1 |
| 1974 | 4 |
| 1975 | 40 |
| 1976 | 57 |
| 1977 | 60 |
| 1978 | 65 |
| 1979 | 82 |
| 1980 | 122 |
| 1981 | 162 |
| 1982 | 158 |
| 1983 | 216 |
| 1984 | 233 |
| 1985 | 260 |
| 1986 | 259 |
| 1987 | 289 |
| 1988 | 346 |
| 1989 | 301 |
| 1990 | 368 |
| 1991 | 374 |
| 1992 | 421 |
| 1993 | 414 |
| 1994 | 471 |
| 1995 | 503 |
| 1996 | 506 |
| 1997 | 539 |
| 1998 | 574 |
| 1999 | 660 |
| 2000 | 798 |
| 2001 | 813 |
| 2002 | 919 |
| 2003 | 1084 |
| 2004 | 1274 |
| 2005 | 1304 |
| 2006 | 1361 |
| 2007 | 1522 |
| 2008 | 1746 |
| 2009 | 1875 |
| 2010 | 2184 |
| 2011 | 2427 |
| 2012 | 2648 |
| 2013 | 2854 |
| 2014 | 2952 |
| 2015 | 3095 |
| 2016 | 2018 |
| 2017 | 1498 |
| 2018 | 2588 |
| 2019 | 2605 |
| 2020 | 2859 |
| 2021 | 3147 |
| 2022 | 2896 |
| 2023 | 2229 |
| 2024 | 398 |