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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1958 | 1 |
| 1960 | 2 |
| 1965 | 1 |
| 1968 | 1 |
| 1970 | 1 |
| 1973 | 2 |
| 1974 | 2 |
| 1975 | 1 |
| 1977 | 1 |
| 1986 | 2 |
| 1987 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 2 |
| 2002 | 8 |
| 2003 | 8 |
| 2004 | 17 |
| 2005 | 1 |
| 2006 | 7 |
| 2007 | 10 |
| 2008 | 9 |
| 2009 | 18 |
| 2010 | 27 |
| 2011 | 30 |
| 2012 | 40 |
| 2013 | 35 |
| 2014 | 38 |
| 2015 | 50 |
| 2016 | 75 |
| 2017 | 66 |
| 2018 | 108 |
| 2019 | 128 |
| 2020 | 121 |
| 2021 | 140 |
| 2022 | 129 |
| 2023 | 146 |
| 2024 | 59 |