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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1962 | 2 |
| 1966 | 8 |
| 1967 | 2 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 7 |
| 1979 | 4 |
| 1980 | 6 |
| 1981 | 4 |
| 1982 | 5 |
| 1983 | 4 |
| 1984 | 9 |
| 1985 | 9 |
| 1986 | 12 |
| 1987 | 9 |
| 1988 | 10 |
| 1989 | 11 |
| 1990 | 6 |
| 1991 | 11 |
| 1992 | 32 |
| 1993 | 29 |
| 1994 | 39 |
| 1995 | 27 |
| 1996 | 34 |
| 1997 | 53 |
| 1998 | 48 |
| 1999 | 45 |
| 2000 | 40 |
| 2001 | 58 |
| 2002 | 66 |
| 2003 | 99 |
| 2004 | 117 |
| 2005 | 113 |
| 2006 | 134 |
| 2007 | 179 |
| 2008 | 171 |
| 2009 | 222 |
| 2010 | 285 |
| 2011 | 383 |
| 2012 | 432 |
| 2013 | 507 |
| 2014 | 528 |
| 2015 | 627 |
| 2016 | 604 |
| 2017 | 733 |
| 2018 | 747 |
| 2019 | 792 |
| 2020 | 912 |
| 2021 | 1079 |
| 2022 | 1331 |
| 2023 | 160 |