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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1921 | 1 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1926 | 2 |
| 1928 | 1 |
| 1930 | 2 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 1 |
| 1939 | 2 |
| 1940 | 1 |
| 1941 | 2 |
| 1945 | 1 |
| 1946 | 2 |
| 1947 | 1 |
| 1948 | 4 |
| 1949 | 2 |
| 1950 | 3 |
| 1951 | 1 |
| 1952 | 2 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 3 |
| 1963 | 3 |
| 1964 | 1 |
| 1965 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 4 |
| 1983 | 2 |
| 1984 | 3 |
| 1985 | 4 |
| 1986 | 1 |
| 1987 | 2 |
| 1988 | 4 |
| 1989 | 5 |
| 1990 | 2 |
| 1991 | 3 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 2 |
| 1996 | 1 |
| 1999 | 2 |
| 2000 | 1 |
| 2001 | 3 |
| 2004 | 1 |
| 2006 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2025 | 0 |