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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 |
| 1978 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1983 | 3 |
| 1984 | 13 |
| 1985 | 18 |
| 1986 | 18 |
| 1987 | 35 |
| 1988 | 18 |
| 1989 | 32 |
| 1990 | 30 |
| 1991 | 39 |
| 1992 | 34 |
| 1993 | 44 |
| 1994 | 34 |
| 1995 | 45 |
| 1996 | 49 |
| 1997 | 73 |
| 1998 | 56 |
| 1999 | 53 |
| 2000 | 92 |
| 2001 | 84 |
| 2002 | 100 |
| 2003 | 115 |
| 2004 | 153 |
| 2005 | 141 |
| 2006 | 190 |
| 2007 | 232 |
| 2008 | 251 |
| 2009 | 280 |
| 2010 | 312 |
| 2011 | 337 |
| 2012 | 372 |
| 2013 | 489 |
| 2014 | 504 |
| 2015 | 536 |
| 2016 | 540 |
| 2017 | 641 |
| 2018 | 742 |
| 2019 | 701 |
| 2020 | 666 |
| 2021 | 591 |
| 2022 | 160 |
| 2023 | 92 |
| 2024 | 22 |