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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1968 | 2 |
| 1970 | 1 |
| 1971 | 1 |
| 1980 | 3 |
| 1981 | 3 |
| 1982 | 4 |
| 1983 | 4 |
| 1984 | 5 |
| 1985 | 6 |
| 1986 | 9 |
| 1987 | 12 |
| 1988 | 9 |
| 1989 | 10 |
| 1990 | 18 |
| 1991 | 11 |
| 1992 | 9 |
| 1993 | 16 |
| 1994 | 15 |
| 1995 | 27 |
| 1996 | 30 |
| 1997 | 29 |
| 1998 | 48 |
| 1999 | 50 |
| 2000 | 68 |
| 2001 | 75 |
| 2002 | 97 |
| 2003 | 131 |
| 2004 | 178 |
| 2005 | 193 |
| 2006 | 221 |
| 2007 | 257 |
| 2008 | 323 |
| 2009 | 367 |
| 2010 | 438 |
| 2011 | 492 |
| 2012 | 616 |
| 2013 | 780 |
| 2014 | 867 |
| 2015 | 952 |
| 2016 | 950 |
| 2017 | 1119 |
| 2018 | 1216 |
| 2019 | 1377 |
| 2020 | 1587 |
| 2021 | 1906 |
| 2022 | 2187 |
| 2023 | 650 |