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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1967 | 1 |
| 1969 | 2 |
| 1972 | 1 |
| 1979 | 1 |
| 1981 | 2 |
| 1982 | 4 |
| 1983 | 1 |
| 1984 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 4 |
| 2006 | 4 |
| 2007 | 7 |
| 2008 | 20 |
| 2009 | 40 |
| 2010 | 3 |
| 2011 | 3 |
| 2012 | 7 |
| 2013 | 3 |
| 2014 | 4 |
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 1 |