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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1921 | 2 |
| 1922 | 7 |
| 1923 | 7 |
| 1924 | 3 |
| 1925 | 5 |
| 1927 | 2 |
| 1928 | 2 |
| 1929 | 4 |
| 1930 | 6 |
| 1931 | 1 |
| 1932 | 2 |
| 1934 | 4 |
| 1935 | 7 |
| 1936 | 4 |
| 1937 | 5 |
| 1940 | 2 |
| 1942 | 1 |
| 1943 | 2 |
| 1944 | 4 |
| 1945 | 1 |
| 1946 | 2 |
| 1948 | 1 |
| 1955 | 1 |
| 1957 | 2 |
| 1958 | 1 |
| 1968 | 1 |
| 1970 | 2 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 4 |
| 1982 | 5 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 4 |
| 1989 | 3 |
| 1990 | 3 |
| 1991 | 4 |
| 1993 | 1 |
| 1994 | 2 |
| 1996 | 2 |
| 1997 | 3 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 2 |