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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1951 | 1 |
| 1952 | 2 |
| 1953 | 1 |
| 1954 | 1 |
| 1958 | 2 |
| 1959 | 1 |
| 1963 | 3 |
| 1964 | 1 |
| 1966 | 1 |
| 1978 | 3 |
| 1982 | 1 |
| 1986 | 1 |
| 1998 | 1 |
| 2001 | 1 |
| 2007 | 1 |
| 2009 | 2 |
| 2010 | 5 |
| 2011 | 18 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 2 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 3 |