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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1928 | 1 |
| 1929 | 2 |
| 1930 | 1 |
| 1931 | 4 |
| 1934 | 2 |
| 1936 | 1 |
| 1937 | 1 |
| 1939 | 3 |
| 1940 | 2 |
| 1944 | 2 |
| 1945 | 2 |
| 1947 | 4 |
| 1952 | 3 |
| 1953 | 1 |
| 1954 | 2 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1961 | 2 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 3 |
| 1973 | 1 |
| 1974 | 1 |
| 1979 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1999 | 1 |
| 2004 | 3 |
| 2007 | 1 |
| 2009 | 1 |
| 2011 | 1 |
| 2012 | 2 |
| 2013 | 4 |
| 2014 | 1 |
| 2016 | 2 |
| 2018 | 2 |
| 2020 | 3 |
| 2024 | 0 |