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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1928 | 1 |
| 1929 | 1 |
| 1931 | 2 |
| 1947 | 1 |
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 1 |
| 1953 | 3 |
| 1954 | 1 |
| 1955 | 1 |
| 1957 | 1 |
| 1962 | 2 |
| 1964 | 1 |
| 1965 | 1 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 2 |
| 1970 | 3 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 3 |
| 1974 | 2 |
| 1976 | 2 |
| 1977 | 3 |
| 1978 | 5 |
| 1979 | 3 |
| 1980 | 5 |
| 1981 | 2 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 1 |
| 1994 | 1 |
| 2006 | 1 |
| 2008 | 6 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 3 |
| 2012 | 2 |
| 2013 | 3 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 4 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |