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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1952 | 2 |
| 1953 | 2 |
| 1954 | 3 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1960 | 1 |
| 1964 | 2 |
| 1966 | 2 |
| 1967 | 1 |
| 1980 | 1 |
| 1987 | 1 |
| 1988 | 2 |
| 1990 | 1 |
| 1991 | 2 |
| 1993 | 2 |
| 1994 | 1 |
| 1995 | 1 |
| 1997 | 1 |
| 1998 | 2 |
| 2000 | 1 |
| 2004 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2024 | 1 |