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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1964 | 2 |
| 1970 | 1 |
| 1982 | 1 |
| 1984 | 1 |
| 1987 | 3 |
| 1989 | 1 |
| 1992 | 1 |
| 1993 | 2 |
| 1997 | 1 |
| 1998 | 4 |
| 1999 | 8 |
| 2000 | 6 |
| 2001 | 8 |
| 2002 | 9 |
| 2003 | 18 |
| 2004 | 21 |
| 2005 | 19 |
| 2006 | 21 |
| 2007 | 31 |
| 2008 | 31 |
| 2009 | 37 |
| 2010 | 40 |
| 2011 | 41 |
| 2012 | 43 |
| 2013 | 43 |
| 2014 | 78 |
| 2015 | 110 |
| 2016 | 120 |
| 2017 | 105 |
| 2018 | 134 |
| 2019 | 132 |
| 2020 | 127 |
| 2021 | 153 |
| 2022 | 167 |
| 2023 | 169 |
| 2024 | 95 |