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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1974 | 1 |
| 1975 | 3 |
| 1976 | 2 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 1 |
| 1981 | 5 |
| 1982 | 2 |
| 1984 | 6 |
| 1985 | 4 |
| 1986 | 5 |
| 1987 | 3 |
| 1988 | 5 |
| 1989 | 3 |
| 1990 | 7 |
| 1991 | 7 |
| 1992 | 9 |
| 1993 | 8 |
| 1994 | 9 |
| 1995 | 16 |
| 1996 | 9 |
| 1997 | 15 |
| 1998 | 15 |
| 1999 | 22 |
| 2000 | 19 |
| 2001 | 30 |
| 2002 | 39 |
| 2003 | 39 |
| 2004 | 49 |
| 2005 | 75 |
| 2006 | 81 |
| 2007 | 112 |
| 2008 | 121 |
| 2009 | 143 |
| 2010 | 186 |
| 2011 | 176 |
| 2012 | 212 |
| 2013 | 282 |
| 2014 | 307 |
| 2015 | 307 |
| 2016 | 299 |
| 2017 | 332 |
| 2018 | 400 |
| 2019 | 447 |
| 2020 | 565 |
| 2021 | 601 |
| 2022 | 691 |
| 2023 | 93 |