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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1850 | 1 |
| 1934 | 1 |
| 1944 | 1 |
| 1947 | 1 |
| 1951 | 2 |
| 1952 | 1 |
| 1953 | 2 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1961 | 2 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1967 | 3 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1976 | 1 |
| 1977 | 4 |
| 1978 | 4 |
| 1979 | 3 |
| 1980 | 4 |
| 1981 | 1 |
| 1982 | 4 |
| 1983 | 2 |
| 1985 | 4 |
| 1986 | 4 |
| 1987 | 5 |
| 1988 | 2 |
| 1989 | 2 |
| 1990 | 2 |
| 1991 | 6 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 1 |
| 2001 | 1 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2024 | 1 |
| 2025 | 0 |