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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1921 | 1 |
| 1924 | 1 |
| 1926 | 2 |
| 1927 | 2 |
| 1928 | 3 |
| 1929 | 3 |
| 1930 | 1 |
| 1931 | 3 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 2 |
| 1936 | 4 |
| 1937 | 2 |
| 1938 | 2 |
| 1940 | 2 |
| 1941 | 1 |
| 1944 | 2 |
| 1945 | 1 |
| 1946 | 2 |
| 1947 | 1 |
| 1948 | 5 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 3 |
| 1952 | 2 |
| 1953 | 2 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 2 |
| 1963 | 2 |
| 1964 | 1 |
| 1967 | 2 |
| 1973 | 1 |
| 1986 | 1 |
| 1996 | 1 |
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 1 |
| 2008 | 1 |
| 2009 | 2 |
| 2013 | 1 |
| 2014 | 2 |
| 2017 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |