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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1965 | 1 |
| 1968 | 1 |
| 1976 | 3 |
| 1978 | 2 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 4 |
| 1982 | 1 |
| 1983 | 2 |
| 1984 | 3 |
| 1985 | 6 |
| 1986 | 5 |
| 1987 | 6 |
| 1988 | 18 |
| 1989 | 15 |
| 1990 | 13 |
| 1991 | 16 |
| 1992 | 14 |
| 1993 | 26 |
| 1994 | 17 |
| 1995 | 23 |
| 1996 | 24 |
| 1997 | 26 |
| 1998 | 40 |
| 1999 | 36 |
| 2000 | 41 |
| 2001 | 54 |
| 2002 | 46 |
| 2003 | 75 |
| 2004 | 83 |
| 2005 | 108 |
| 2006 | 131 |
| 2007 | 141 |
| 2008 | 150 |
| 2009 | 185 |
| 2010 | 213 |
| 2011 | 289 |
| 2012 | 348 |
| 2013 | 395 |
| 2014 | 409 |
| 2015 | 530 |
| 2016 | 567 |
| 2017 | 602 |
| 2018 | 627 |
| 2019 | 769 |
| 2020 | 827 |
| 2021 | 925 |
| 2022 | 1105 |
| 2023 | 123 |