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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1948 | 2 |
| 1949 | 2 |
| 1950 | 2 |
| 1951 | 2 |
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1976 | 1 |
| 1978 | 2 |
| 1979 | 2 |
| 1980 | 3 |
| 1981 | 2 |
| 1982 | 1 |
| 1983 | 2 |
| 1984 | 8 |
| 1985 | 1 |
| 1986 | 1 |
| 1988 | 2 |
| 1992 | 3 |
| 1993 | 2 |
| 1996 | 1 |
| 1997 | 2 |
| 2000 | 1 |
| 2001 | 2 |
| 2011 | 3 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 6 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 0 |