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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1881 | 1 |
| 1908 | 1 |
| 1909 | 2 |
| 1910 | 1 |
| 1913 | 4 |
| 1914 | 2 |
| 1915 | 2 |
| 1916 | 2 |
| 1917 | 1 |
| 1920 | 10 |
| 1921 | 3 |
| 1922 | 2 |
| 1923 | 5 |
| 1924 | 7 |
| 1925 | 2 |
| 1926 | 2 |
| 1927 | 4 |
| 1928 | 3 |
| 1929 | 3 |
| 1930 | 4 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 3 |
| 1935 | 1 |
| 1939 | 3 |
| 1946 | 3 |
| 1947 | 1 |
| 1948 | 10 |
| 1949 | 8 |
| 1950 | 5 |
| 1951 | 7 |
| 1952 | 9 |
| 1953 | 2 |
| 1954 | 3 |
| 1955 | 3 |
| 1956 | 2 |
| 1957 | 7 |
| 1958 | 9 |
| 1959 | 15 |
| 1960 | 13 |
| 1961 | 3 |
| 1962 | 10 |
| 1963 | 4 |
| 1964 | 9 |
| 1965 | 12 |
| 1966 | 14 |
| 1967 | 20 |
| 1968 | 13 |
| 1969 | 14 |
| 1970 | 19 |
| 1971 | 25 |
| 1972 | 22 |
| 1973 | 27 |
| 1974 | 27 |
| 1975 | 24 |
| 1976 | 47 |
| 1977 | 30 |
| 1978 | 41 |
| 1979 | 46 |
| 1980 | 61 |
| 1981 | 47 |
| 1982 | 51 |
| 1983 | 56 |
| 1984 | 73 |
| 1985 | 58 |
| 1986 | 68 |
| 1987 | 65 |
| 1988 | 100 |
| 1989 | 80 |
| 1990 | 105 |
| 1991 | 85 |
| 1992 | 85 |
| 1993 | 117 |
| 1994 | 116 |
| 1995 | 112 |
| 1996 | 130 |
| 1997 | 132 |
| 1998 | 149 |
| 1999 | 175 |
| 2000 | 181 |
| 2001 | 204 |
| 2002 | 184 |
| 2003 | 206 |
| 2004 | 179 |
| 2005 | 227 |
| 2006 | 229 |
| 2007 | 257 |
| 2008 | 236 |
| 2009 | 244 |
| 2010 | 237 |
| 2011 | 235 |
| 2012 | 261 |
| 2013 | 314 |
| 2014 | 292 |
| 2015 | 307 |
| 2016 | 332 |
| 2017 | 349 |
| 2018 | 326 |
| 2019 | 343 |
| 2020 | 339 |
| 2021 | 373 |
| 2022 | 363 |
| 2023 | 345 |