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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1942 | 1 |
| 1946 | 1 |
| 1947 | 2 |
| 1948 | 3 |
| 1949 | 4 |
| 1950 | 8 |
| 1951 | 16 |
| 1952 | 22 |
| 1953 | 27 |
| 1954 | 18 |
| 1955 | 12 |
| 1956 | 12 |
| 1957 | 2 |
| 1960 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 3 |
| 1973 | 5 |
| 1974 | 4 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 2 |
| 1982 | 1 |
| 1983 | 2 |
| 1984 | 4 |
| 1985 | 2 |
| 1987 | 2 |
| 1989 | 2 |
| 1994 | 1 |
| 2002 | 1 |
| 2005 | 2 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 4 |
| 2010 | 1 |
| 2011 | 4 |
| 2012 | 4 |
| 2013 | 5 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2025 | 1 |