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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1917 | 1 |
| 1918 | 1 |
| 1919 | 2 |
| 1922 | 2 |
| 1923 | 2 |
| 1924 | 3 |
| 1926 | 1 |
| 1927 | 4 |
| 1929 | 6 |
| 1930 | 3 |
| 1931 | 4 |
| 1932 | 2 |
| 1933 | 3 |
| 1934 | 1 |
| 1935 | 1 |
| 1937 | 1 |
| 1943 | 1 |
| 1947 | 2 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1961 | 1 |
| 1962 | 3 |
| 1965 | 1 |
| 1969 | 1 |
| 1971 | 1 |
| 1975 | 1 |
| 1978 | 1 |
| 1982 | 1 |
| 1989 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 1999 | 1 |
| 2010 | 2 |
| 2012 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 4 |
| 2021 | 1 |
| 2024 | 1 |