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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1968 | 1 |
| 1979 | 1 |
| 1980 | 4 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 3 |
| 1984 | 3 |
| 1986 | 3 |
| 1987 | 5 |
| 1989 | 7 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 5 |
| 1994 | 6 |
| 1995 | 3 |
| 1996 | 9 |
| 1997 | 13 |
| 1998 | 8 |
| 1999 | 14 |
| 2000 | 12 |
| 2001 | 28 |
| 2002 | 30 |
| 2003 | 39 |
| 2004 | 39 |
| 2005 | 50 |
| 2006 | 74 |
| 2007 | 72 |
| 2008 | 69 |
| 2009 | 82 |
| 2010 | 96 |
| 2011 | 97 |
| 2012 | 113 |
| 2013 | 131 |
| 2014 | 129 |
| 2015 | 179 |
| 2016 | 130 |
| 2017 | 144 |
| 2018 | 144 |
| 2019 | 169 |
| 2020 | 197 |
| 2021 | 205 |
| 2022 | 189 |
| 2023 | 155 |
| 2024 | 67 |