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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1840 | 2 |
| 1841 | 1 |
| 1843 | 1 |
| 1844 | 1 |
| 1845 | 1 |
| 1881 | 1 |
| 1904 | 1 |
| 1914 | 1 |
| 1915 | 1 |
| 1916 | 1 |
| 1917 | 3 |
| 1920 | 1 |
| 1925 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1930 | 1 |
| 1931 | 2 |
| 1932 | 1 |
| 1937 | 1 |
| 1940 | 1 |
| 1941 | 1 |
| 1944 | 2 |
| 1945 | 6 |
| 1946 | 20 |
| 1947 | 9 |
| 1948 | 9 |
| 1949 | 8 |
| 1950 | 21 |
| 1951 | 16 |
| 1952 | 10 |
| 1953 | 15 |
| 1954 | 16 |
| 1955 | 14 |
| 1956 | 16 |
| 1957 | 7 |
| 1958 | 18 |
| 1959 | 14 |
| 1960 | 32 |
| 1961 | 33 |
| 1962 | 24 |
| 1963 | 53 |
| 1964 | 104 |
| 1965 | 77 |
| 1966 | 100 |
| 1967 | 143 |
| 1968 | 186 |
| 1969 | 180 |
| 1970 | 152 |
| 1971 | 173 |
| 1972 | 243 |
| 1973 | 224 |
| 1974 | 214 |
| 1975 | 299 |
| 1976 | 251 |
| 1977 | 229 |
| 1978 | 214 |
| 1979 | 236 |
| 1980 | 236 |
| 1981 | 255 |
| 1982 | 263 |
| 1983 | 263 |
| 1984 | 258 |
| 1985 | 241 |
| 1986 | 261 |
| 1987 | 283 |
| 1988 | 307 |
| 1989 | 281 |
| 1990 | 251 |
| 1991 | 251 |
| 1992 | 272 |
| 1993 | 196 |
| 1994 | 232 |
| 1995 | 278 |
| 1996 | 262 |
| 1997 | 290 |
| 1998 | 261 |
| 1999 | 277 |
| 2000 | 276 |
| 2001 | 257 |
| 2002 | 261 |
| 2003 | 295 |
| 2004 | 306 |
| 2005 | 289 |
| 2006 | 329 |
| 2007 | 356 |
| 2008 | 386 |
| 2009 | 413 |
| 2010 | 433 |
| 2011 | 449 |
| 2012 | 430 |
| 2013 | 409 |
| 2014 | 461 |
| 2015 | 425 |
| 2016 | 559 |
| 2017 | 742 |
| 2018 | 762 |
| 2019 | 751 |
| 2020 | 733 |
| 2021 | 597 |
| 2022 | 385 |
| 2023 | 349 |
| 2024 | 174 |