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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1941 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1955 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 1 |
| 1965 | 2 |
| 1968 | 1 |
| 1971 | 1 |
| 1972 | 4 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 3 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 2 |
| 1988 | 1 |
| 1989 | 5 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 1 |
| 1996 | 1 |
| 2004 | 1 |
| 2009 | 1 |
| 2010 | 3 |
| 2012 | 2 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |