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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 2 |
| 1968 | 1 |
| 1973 | 1 |
| 1975 | 1 |
| 1977 | 1 |
| 1979 | 3 |
| 1984 | 1 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 4 |
| 1988 | 5 |
| 1989 | 7 |
| 1990 | 9 |
| 1991 | 18 |
| 1992 | 9 |
| 1993 | 23 |
| 1994 | 16 |
| 1995 | 12 |
| 1996 | 24 |
| 1997 | 36 |
| 1998 | 40 |
| 1999 | 43 |
| 2000 | 53 |
| 2001 | 50 |
| 2002 | 67 |
| 2003 | 88 |
| 2004 | 108 |
| 2005 | 122 |
| 2006 | 149 |
| 2007 | 165 |
| 2008 | 191 |
| 2009 | 222 |
| 2010 | 262 |
| 2011 | 245 |
| 2012 | 275 |
| 2013 | 317 |
| 2014 | 286 |
| 2015 | 325 |
| 2016 | 328 |
| 2017 | 349 |
| 2018 | 386 |
| 2019 | 391 |
| 2020 | 478 |
| 2021 | 457 |
| 2022 | 422 |
| 2023 | 130 |