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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1915 | 2 |
| 1916 | 1 |
| 1920 | 1 |
| 1922 | 1 |
| 1923 | 5 |
| 1924 | 2 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 7 |
| 1928 | 12 |
| 1929 | 18 |
| 1930 | 22 |
| 1931 | 26 |
| 1932 | 20 |
| 1933 | 5 |
| 1934 | 1 |
| 1935 | 2 |
| 1938 | 1 |
| 1939 | 3 |
| 1940 | 1 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 4 |
| 1947 | 2 |
| 1948 | 6 |
| 1949 | 1 |
| 1950 | 5 |
| 1951 | 5 |
| 1952 | 10 |
| 1953 | 3 |
| 1954 | 3 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 3 |
| 1962 | 1 |
| 1964 | 2 |
| 1965 | 2 |
| 1969 | 3 |
| 1970 | 7 |
| 1972 | 1 |
| 1973 | 3 |
| 1974 | 1 |
| 1977 | 1 |
| 1984 | 1 |
| 1987 | 2 |
| 1988 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 7 |
| 1995 | 5 |
| 1996 | 4 |
| 1998 | 1 |
| 1999 | 2 |
| 2001 | 2 |
| 2002 | 2 |
| 2004 | 1 |
| 2006 | 1 |
| 2007 | 3 |
| 2009 | 1 |
| 2010 | 1 |
| 2012 | 3 |
| 2014 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2025 | 0 |