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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1928 | 1 |
| 1929 | 4 |
| 1930 | 2 |
| 1931 | 2 |
| 1932 | 3 |
| 1934 | 1 |
| 1935 | 1 |
| 1937 | 4 |
| 1938 | 4 |
| 1939 | 3 |
| 1940 | 2 |
| 1941 | 2 |
| 1942 | 1 |
| 1943 | 1 |
| 1945 | 2 |
| 1946 | 10 |
| 1947 | 13 |
| 1948 | 10 |
| 1949 | 4 |
| 1950 | 9 |
| 1951 | 3 |
| 1952 | 3 |
| 1953 | 8 |
| 1954 | 6 |
| 1955 | 8 |
| 1956 | 16 |
| 1957 | 4 |
| 1958 | 5 |
| 1959 | 8 |
| 1960 | 4 |
| 1961 | 6 |
| 1962 | 4 |
| 1963 | 2 |
| 1964 | 7 |
| 1965 | 8 |
| 1966 | 6 |
| 1967 | 5 |
| 1968 | 6 |
| 1969 | 6 |
| 1970 | 1 |
| 1971 | 5 |
| 1972 | 2 |
| 1973 | 4 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 4 |
| 1977 | 1 |
| 1979 | 3 |
| 2000 | 1 |
| 2005 | 1 |
| 2009 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 3 |