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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 3 |
| 1955 | 2 |
| 1957 | 1 |
| 1962 | 1 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1978 | 1 |
| 1979 | 2 |
| 1985 | 2 |
| 1987 | 1 |
| 1998 | 2 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 2 |
| 2009 | 2 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 2 |
| 2013 | 2 |
| 2014 | 3 |
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 0 |