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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 2 |
| 1963 | 2 |
| 1964 | 1 |
| 1966 | 1 |
| 1979 | 1 |
| 1981 | 1 |
| 1983 | 4 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 3 |
| 1987 | 3 |
| 1988 | 3 |
| 1989 | 3 |
| 1990 | 4 |
| 1991 | 7 |
| 1992 | 9 |
| 1993 | 7 |
| 1994 | 9 |
| 1995 | 7 |
| 1996 | 6 |
| 1997 | 16 |
| 1998 | 12 |
| 1999 | 10 |
| 2000 | 17 |
| 2001 | 12 |
| 2002 | 30 |
| 2003 | 40 |
| 2004 | 52 |
| 2005 | 71 |
| 2006 | 67 |
| 2007 | 72 |
| 2008 | 97 |
| 2009 | 87 |
| 2010 | 120 |
| 2011 | 135 |
| 2012 | 127 |
| 2013 | 154 |
| 2014 | 192 |
| 2015 | 200 |
| 2016 | 205 |
| 2017 | 224 |
| 2018 | 257 |
| 2019 | 318 |
| 2020 | 423 |
| 2021 | 433 |
| 2022 | 492 |
| 2023 | 368 |