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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1820 | 44 |
| 1821 | 68 |
| 1822 | 60 |
| 1823 | 54 |
| 1824 | 21 |
| 1852 | 1 |
| 1859 | 1 |
| 1868 | 1 |
| 1875 | 1 |
| 1878 | 1 |
| 1879 | 1 |
| 1884 | 1 |
| 1886 | 1 |
| 1887 | 2 |
| 1892 | 1 |
| 1894 | 1 |
| 1895 | 3 |
| 1896 | 1 |
| 1897 | 1 |
| 1899 | 1 |
| 1909 | 1 |
| 1910 | 1 |
| 1912 | 1 |
| 1913 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1920 | 3 |
| 1921 | 2 |
| 1923 | 1 |
| 1927 | 2 |
| 1929 | 2 |
| 1930 | 3 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 4 |
| 1934 | 5 |
| 1935 | 3 |
| 1936 | 1 |
| 1937 | 2 |
| 1938 | 3 |
| 1939 | 4 |
| 1941 | 5 |
| 1942 | 1 |
| 1944 | 1 |
| 1945 | 35 |
| 1946 | 85 |
| 1947 | 111 |
| 1948 | 119 |
| 1949 | 113 |
| 1950 | 181 |
| 1951 | 211 |
| 1952 | 216 |
| 1953 | 203 |
| 1954 | 261 |
| 1955 | 254 |
| 1956 | 245 |
| 1957 | 164 |
| 1958 | 233 |
| 1959 | 183 |
| 1960 | 241 |
| 1961 | 296 |
| 1962 | 380 |
| 1963 | 435 |
| 1964 | 554 |
| 1965 | 607 |
| 1966 | 628 |
| 1967 | 565 |
| 1968 | 818 |
| 1969 | 860 |
| 1970 | 1073 |
| 1971 | 1164 |
| 1972 | 1471 |
| 1973 | 1222 |
| 1974 | 1356 |
| 1975 | 1416 |
| 1976 | 1441 |
| 1977 | 1427 |
| 1978 | 1360 |
| 1979 | 1449 |
| 1980 | 1542 |
| 1981 | 1726 |
| 1982 | 1590 |
| 1983 | 1996 |
| 1984 | 1928 |
| 1985 | 1989 |
| 1986 | 2018 |
| 1987 | 2221 |
| 1988 | 2221 |
| 1989 | 2377 |
| 1990 | 2342 |
| 1991 | 2412 |
| 1992 | 2240 |
| 1993 | 2523 |
| 1994 | 2623 |
| 1995 | 2674 |
| 1996 | 3383 |
| 1997 | 2953 |
| 1998 | 3215 |
| 1999 | 3708 |
| 2000 | 4095 |
| 2001 | 4620 |
| 2002 | 4731 |
| 2003 | 5075 |
| 2004 | 5437 |
| 2005 | 6270 |
| 2006 | 7253 |
| 2007 | 7936 |
| 2008 | 8246 |
| 2009 | 8375 |
| 2010 | 9189 |
| 2011 | 9884 |
| 2012 | 10167 |
| 2013 | 10699 |
| 2014 | 11738 |
| 2015 | 12386 |
| 2016 | 13671 |
| 2017 | 12329 |
| 2018 | 13248 |
| 2019 | 13161 |
| 2020 | 14740 |
| 2021 | 15223 |
| 2022 | 15554 |
| 2023 | 14925 |
| 2024 | 6739 |
| 2025 | 1 |