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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1966 | 2 |
| 1967 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1976 | 2 |
| 1978 | 1 |
| 1980 | 6 |
| 1981 | 2 |
| 1982 | 3 |
| 1983 | 6 |
| 1984 | 3 |
| 1986 | 3 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 3 |
| 1990 | 3 |
| 1991 | 3 |
| 1992 | 6 |
| 1993 | 5 |
| 1994 | 3 |
| 1995 | 3 |
| 1996 | 9 |
| 1997 | 12 |
| 1998 | 8 |
| 1999 | 19 |
| 2000 | 26 |
| 2001 | 28 |
| 2002 | 42 |
| 2003 | 51 |
| 2004 | 65 |
| 2005 | 82 |
| 2006 | 101 |
| 2007 | 112 |
| 2008 | 114 |
| 2009 | 128 |
| 2010 | 142 |
| 2011 | 182 |
| 2012 | 236 |
| 2013 | 262 |
| 2014 | 271 |
| 2015 | 315 |
| 2016 | 332 |
| 2017 | 360 |
| 2018 | 410 |
| 2019 | 474 |
| 2020 | 560 |
| 2021 | 652 |
| 2022 | 720 |
| 2023 | 210 |