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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1931 | 4 |
| 1932 | 1 |
| 1933 | 3 |
| 1936 | 1 |
| 1938 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1942 | 2 |
| 1943 | 1 |
| 1945 | 1 |
| 1949 | 1 |
| 1950 | 2 |
| 1954 | 2 |
| 1958 | 1 |
| 1961 | 1 |
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 1 |
| 1968 | 4 |
| 1972 | 3 |
| 1973 | 1 |
| 1975 | 3 |
| 1976 | 2 |
| 1977 | 3 |
| 1978 | 3 |
| 1979 | 4 |
| 1980 | 2 |
| 1981 | 2 |
| 1982 | 1 |
| 1984 | 2 |
| 1986 | 1 |
| 1987 | 1 |
| 1989 | 1 |
| 1992 | 1 |
| 1999 | 1 |
| 2001 | 1 |
| 2002 | 2 |
| 2003 | 1 |
| 2007 | 1 |
| 2008 | 2 |
| 2011 | 1 |
| 2013 | 2 |
| 2014 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |