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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 2 |
| 1946 | 1 |
| 1947 | 8 |
| 1948 | 3 |
| 1950 | 3 |
| 1951 | 25 |
| 1952 | 20 |
| 1953 | 19 |
| 1954 | 29 |
| 1955 | 20 |
| 1956 | 19 |
| 1957 | 16 |
| 1958 | 14 |
| 1959 | 19 |
| 1960 | 5 |
| 1961 | 5 |
| 1962 | 5 |
| 1963 | 10 |
| 1964 | 6 |
| 1965 | 8 |
| 1966 | 7 |
| 1967 | 4 |
| 1968 | 11 |
| 1969 | 9 |
| 1970 | 3 |
| 1971 | 2 |
| 1972 | 2 |
| 1975 | 2 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1986 | 2 |
| 1993 | 1 |
| 1996 | 2 |
| 2002 | 2 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 2 |
| 2025 | 0 |