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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 2 |
| 1965 | 1 |
| 1971 | 1 |
| 1976 | 2 |
| 1977 | 3 |
| 1978 | 4 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 3 |
| 1983 | 2 |
| 1985 | 2 |
| 1986 | 4 |
| 1987 | 3 |
| 1989 | 5 |
| 1990 | 1 |
| 1991 | 2 |
| 1992 | 5 |
| 1993 | 3 |
| 1994 | 4 |
| 1995 | 5 |
| 1996 | 10 |
| 1997 | 9 |
| 1998 | 18 |
| 1999 | 14 |
| 2000 | 24 |
| 2001 | 55 |
| 2002 | 54 |
| 2003 | 50 |
| 2004 | 76 |
| 2005 | 77 |
| 2006 | 63 |
| 2007 | 75 |
| 2008 | 92 |
| 2009 | 92 |
| 2010 | 110 |
| 2011 | 121 |
| 2012 | 135 |
| 2013 | 112 |
| 2014 | 140 |
| 2015 | 169 |
| 2016 | 151 |
| 2017 | 155 |
| 2018 | 181 |
| 2019 | 204 |
| 2020 | 195 |
| 2021 | 184 |
| 2022 | 168 |
| 2023 | 182 |
| 2024 | 57 |