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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 2 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1982 | 1 |
| 1984 | 3 |
| 1985 | 3 |
| 1986 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1992 | 1 |
| 1993 | 3 |
| 1994 | 1 |
| 1995 | 6 |
| 1996 | 3 |
| 1997 | 2 |
| 1998 | 2 |
| 1999 | 8 |
| 2000 | 5 |
| 2001 | 8 |
| 2002 | 21 |
| 2003 | 15 |
| 2004 | 29 |
| 2005 | 47 |
| 2006 | 51 |
| 2007 | 55 |
| 2008 | 65 |
| 2009 | 70 |
| 2010 | 79 |
| 2011 | 90 |
| 2012 | 114 |
| 2013 | 102 |
| 2014 | 112 |
| 2015 | 118 |
| 2016 | 133 |
| 2017 | 152 |
| 2018 | 151 |
| 2019 | 158 |
| 2020 | 193 |
| 2021 | 208 |
| 2022 | 166 |
| 2023 | 54 |