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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1943 | 1 |
| 1944 | 1 |
| 1946 | 5 |
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1954 | 1 |
| 1961 | 1 |
| 1962 | 3 |
| 1965 | 1 |
| 1966 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1973 | 3 |
| 1974 | 3 |
| 1975 | 1 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 5 |
| 1980 | 4 |
| 1981 | 1 |
| 1983 | 3 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2009 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 3 |
| 2014 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |