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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 1 |
| 1953 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1960 | 1 |
| 1961 | 4 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 1 |
| 1968 | 2 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 1 |
| 1976 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1983 | 3 |
| 1984 | 1 |
| 1988 | 1 |
| 2000 | 3 |
| 2001 | 1 |
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 2 |
| 2005 | 1 |
| 2006 | 3 |
| 2007 | 1 |
| 2008 | 5 |
| 2009 | 3 |
| 2010 | 2 |
| 2011 | 8 |
| 2012 | 2 |
| 2014 | 1 |
| 2016 | 2 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 3 |
| 2024 | 0 |