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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1940 | 3 |
| 1942 | 1 |
| 1943 | 1 |
| 1944 | 1 |
| 1946 | 4 |
| 1947 | 1 |
| 1949 | 5 |
| 1950 | 2 |
| 1951 | 2 |
| 1952 | 4 |
| 1954 | 2 |
| 1955 | 5 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 2 |
| 1961 | 2 |
| 1962 | 2 |
| 1964 | 3 |
| 1966 | 2 |
| 1967 | 1 |
| 1968 | 2 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 4 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 2 |
| 1985 | 1 |
| 1986 | 2 |
| 1987 | 1 |
| 1989 | 1 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 1 |
| 1995 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2010 | 1 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 0 |