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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1965 | 1 |
| 1981 | 4 |
| 1982 | 2 |
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 2 |
| 1987 | 6 |
| 1988 | 2 |
| 1989 | 3 |
| 1990 | 2 |
| 1991 | 5 |
| 1992 | 7 |
| 1993 | 8 |
| 1994 | 9 |
| 1995 | 32 |
| 1996 | 16 |
| 1997 | 33 |
| 1998 | 74 |
| 1999 | 82 |
| 2000 | 117 |
| 2001 | 134 |
| 2002 | 179 |
| 2003 | 166 |
| 2004 | 196 |
| 2005 | 219 |
| 2006 | 223 |
| 2007 | 243 |
| 2008 | 228 |
| 2009 | 220 |
| 2010 | 208 |
| 2011 | 199 |
| 2012 | 203 |
| 2013 | 219 |
| 2014 | 180 |
| 2015 | 149 |
| 2016 | 145 |
| 2017 | 150 |
| 2018 | 121 |
| 2019 | 126 |
| 2020 | 117 |
| 2021 | 113 |
| 2022 | 71 |
| 2023 | 70 |
| 2024 | 9 |