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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1897 | 1 |
| 1899 | 1 |
| 1907 | 2 |
| 1910 | 1 |
| 1914 | 2 |
| 1920 | 1 |
| 1922 | 2 |
| 1924 | 1 |
| 1925 | 2 |
| 1928 | 3 |
| 1930 | 3 |
| 1932 | 2 |
| 1933 | 4 |
| 1934 | 1 |
| 1936 | 1 |
| 1938 | 1 |
| 1939 | 8 |
| 1940 | 6 |
| 1941 | 2 |
| 1942 | 2 |
| 1944 | 2 |
| 1945 | 4 |
| 1946 | 9 |
| 1947 | 12 |
| 1948 | 9 |
| 1949 | 11 |
| 1950 | 19 |
| 1951 | 8 |
| 1952 | 9 |
| 1953 | 9 |
| 1954 | 15 |
| 1955 | 7 |
| 1956 | 5 |
| 1957 | 6 |
| 1958 | 5 |
| 1960 | 1 |
| 1961 | 1 |
| 1965 | 1 |
| 1976 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1993 | 1 |
| 1999 | 1 |
| 2001 | 2 |
| 2002 | 3 |
| 2003 | 4 |
| 2004 | 8 |
| 2005 | 8 |
| 2006 | 6 |
| 2007 | 7 |
| 2008 | 8 |
| 2009 | 4 |
| 2010 | 4 |
| 2011 | 2 |
| 2012 | 3 |
| 2013 | 5 |
| 2014 | 13 |
| 2015 | 19 |
| 2016 | 15 |
| 2017 | 31 |
| 2018 | 19 |
| 2019 | 3 |
| 2020 | 7 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 5 |