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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1937 | 1 |
| 1946 | 3 |
| 1947 | 3 |
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 1 |
| 1954 | 2 |
| 1955 | 1 |
| 1958 | 2 |
| 1959 | 2 |
| 1960 | 1 |
| 1964 | 2 |
| 1965 | 1 |
| 1968 | 1 |
| 1969 | 3 |
| 1970 | 2 |
| 1971 | 3 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 1 |
| 1981 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1991 | 1 |
| 1993 | 1 |
| 1995 | 3 |
| 1996 | 2 |
| 1998 | 2 |
| 1999 | 6 |
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 3 |
| 2003 | 2 |
| 2004 | 4 |
| 2006 | 1 |
| 2007 | 2 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 4 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 1 |