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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1966 | 2 |
| 1971 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1977 | 1 |
| 1980 | 1 |
| 1981 | 2 |
| 1984 | 3 |
| 1985 | 3 |
| 1986 | 5 |
| 1987 | 26 |
| 1988 | 55 |
| 1989 | 65 |
| 1990 | 62 |
| 1991 | 64 |
| 1992 | 80 |
| 1993 | 52 |
| 1994 | 43 |
| 1995 | 51 |
| 1996 | 56 |
| 1997 | 31 |
| 1998 | 32 |
| 1999 | 48 |
| 2000 | 54 |
| 2001 | 28 |
| 2002 | 29 |
| 2003 | 28 |
| 2004 | 27 |
| 2005 | 33 |
| 2006 | 39 |
| 2007 | 68 |
| 2008 | 78 |
| 2009 | 87 |
| 2010 | 115 |
| 2011 | 89 |
| 2012 | 111 |
| 2013 | 127 |
| 2014 | 240 |
| 2015 | 212 |
| 2016 | 126 |
| 2017 | 62 |
| 2018 | 39 |
| 2019 | 23 |
| 2020 | 14 |
| 2021 | 13 |
| 2022 | 13 |
| 2023 | 14 |
| 2024 | 3 |