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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1916 | 1 |
| 1917 | 2 |
| 1919 | 2 |
| 1920 | 6 |
| 1921 | 3 |
| 1922 | 11 |
| 1923 | 9 |
| 1924 | 8 |
| 1925 | 6 |
| 1926 | 7 |
| 1927 | 4 |
| 1928 | 4 |
| 1929 | 7 |
| 1930 | 4 |
| 1931 | 3 |
| 1932 | 8 |
| 1933 | 3 |
| 1934 | 6 |
| 1935 | 1 |
| 1936 | 3 |
| 1937 | 2 |
| 1938 | 2 |
| 1939 | 1 |
| 1940 | 2 |
| 1941 | 1 |
| 1942 | 1 |
| 1946 | 3 |
| 1947 | 4 |
| 1948 | 4 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1952 | 3 |
| 1953 | 3 |
| 1954 | 2 |
| 1955 | 3 |
| 1956 | 1 |
| 1957 | 5 |
| 1958 | 3 |
| 1960 | 2 |
| 1961 | 2 |
| 1962 | 3 |
| 1963 | 2 |
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 2 |
| 1967 | 1 |
| 1968 | 2 |
| 1971 | 1 |
| 1985 | 1 |
| 1986 | 3 |
| 1987 | 4 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 3 |
| 1991 | 1 |
| 1992 | 2 |
| 1993 | 3 |
| 1994 | 4 |
| 1995 | 2 |
| 1996 | 3 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 6 |
| 2000 | 2 |
| 2002 | 3 |
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 6 |
| 2007 | 3 |
| 2008 | 4 |
| 2010 | 1 |
| 2013 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 0 |