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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1967 | 1 |
| 1971 | 3 |
| 1972 | 1 |
| 1973 | 3 |
| 1974 | 3 |
| 1976 | 1 |
| 1981 | 2 |
| 1983 | 1 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 3 |
| 1988 | 4 |
| 1989 | 4 |
| 1990 | 2 |
| 1991 | 3 |
| 1992 | 6 |
| 1993 | 1 |
| 1994 | 5 |
| 1995 | 13 |
| 1996 | 15 |
| 1997 | 29 |
| 1998 | 25 |
| 1999 | 31 |
| 2000 | 35 |
| 2001 | 42 |
| 2002 | 69 |
| 2003 | 70 |
| 2004 | 66 |
| 2005 | 83 |
| 2006 | 100 |
| 2007 | 132 |
| 2008 | 135 |
| 2009 | 168 |
| 2010 | 165 |
| 2011 | 191 |
| 2012 | 218 |
| 2013 | 226 |
| 2014 | 206 |
| 2015 | 236 |
| 2016 | 241 |
| 2017 | 255 |
| 2018 | 260 |
| 2019 | 249 |
| 2020 | 272 |
| 2021 | 303 |
| 2022 | 261 |
| 2023 | 24 |