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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1960 | 1 |
| 1963 | 1 |
| 1972 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1983 | 1 |
| 1987 | 3 |
| 1989 | 1 |
| 1990 | 2 |
| 1991 | 5 |
| 1992 | 3 |
| 1993 | 5 |
| 1994 | 4 |
| 1995 | 4 |
| 1996 | 8 |
| 1997 | 7 |
| 1998 | 11 |
| 1999 | 19 |
| 2000 | 17 |
| 2001 | 24 |
| 2002 | 34 |
| 2003 | 32 |
| 2004 | 32 |
| 2005 | 42 |
| 2006 | 64 |
| 2007 | 67 |
| 2008 | 81 |
| 2009 | 99 |
| 2010 | 89 |
| 2011 | 80 |
| 2012 | 95 |
| 2013 | 100 |
| 2014 | 134 |
| 2015 | 127 |
| 2016 | 143 |
| 2017 | 148 |
| 2018 | 150 |
| 2019 | 202 |
| 2020 | 250 |
| 2021 | 272 |
| 2022 | 289 |
| 2023 | 130 |