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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1810 | 1 |
| 1820 | 1 |
| 1821 | 3 |
| 1822 | 4 |
| 1823 | 7 |
| 1824 | 1 |
| 1825 | 2 |
| 1826 | 3 |
| 1827 | 4 |
| 1828 | 2 |
| 1830 | 1 |
| 1831 | 4 |
| 1832 | 1 |
| 1834 | 3 |
| 1835 | 1 |
| 1839 | 1 |
| 1841 | 3 |
| 1842 | 1 |
| 1843 | 1 |
| 1844 | 1 |
| 1846 | 1 |
| 1847 | 1 |
| 1850 | 1 |
| 1851 | 1 |
| 1853 | 1 |
| 1857 | 1 |
| 1865 | 1 |
| 1872 | 1 |
| 1873 | 1 |
| 1877 | 1 |
| 1878 | 2 |
| 1882 | 1 |
| 1887 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1903 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1912 | 2 |
| 1913 | 2 |
| 1914 | 1 |
| 1915 | 3 |
| 1916 | 1 |
| 1917 | 3 |
| 1919 | 2 |
| 1920 | 3 |
| 1921 | 2 |
| 1922 | 4 |
| 1923 | 2 |
| 1925 | 3 |
| 1926 | 5 |
| 1927 | 8 |
| 1928 | 4 |
| 1929 | 3 |
| 1930 | 2 |
| 1931 | 3 |
| 1932 | 1 |
| 1933 | 4 |
| 1934 | 6 |
| 1935 | 3 |
| 1936 | 4 |
| 1937 | 1 |
| 1938 | 3 |
| 1939 | 3 |
| 1941 | 1 |
| 1942 | 2 |
| 1943 | 2 |
| 1944 | 1 |
| 1945 | 7 |
| 1946 | 20 |
| 1947 | 26 |
| 1948 | 15 |
| 1949 | 7 |
| 1950 | 22 |
| 1951 | 12 |
| 1952 | 30 |
| 1953 | 22 |
| 1954 | 17 |
| 1955 | 29 |
| 1956 | 16 |
| 1957 | 18 |
| 1958 | 23 |
| 1959 | 27 |
| 1960 | 27 |
| 1961 | 21 |
| 1962 | 21 |
| 1963 | 21 |
| 1964 | 35 |
| 1965 | 32 |
| 1966 | 45 |
| 1967 | 42 |
| 1968 | 63 |
| 1969 | 43 |
| 1970 | 48 |
| 1971 | 66 |
| 1972 | 61 |
| 1973 | 70 |
| 1974 | 75 |
| 1975 | 77 |
| 1976 | 61 |
| 1977 | 86 |
| 1978 | 78 |
| 1979 | 87 |
| 1980 | 98 |
| 1981 | 103 |
| 1982 | 98 |
| 1983 | 113 |
| 1984 | 115 |
| 1985 | 119 |
| 1986 | 148 |
| 1987 | 154 |
| 1988 | 147 |
| 1989 | 151 |
| 1990 | 200 |
| 1991 | 200 |
| 1992 | 184 |
| 1993 | 186 |
| 1994 | 181 |
| 1995 | 195 |
| 1996 | 207 |
| 1997 | 188 |
| 1998 | 194 |
| 1999 | 215 |
| 2000 | 249 |
| 2001 | 258 |
| 2002 | 283 |
| 2003 | 343 |
| 2004 | 343 |
| 2005 | 399 |
| 2006 | 370 |
| 2007 | 428 |
| 2008 | 516 |
| 2009 | 523 |
| 2010 | 527 |
| 2011 | 604 |
| 2012 | 584 |
| 2013 | 674 |
| 2014 | 769 |
| 2015 | 915 |
| 2016 | 917 |
| 2017 | 932 |
| 2018 | 1002 |
| 2019 | 1069 |
| 2020 | 1159 |
| 2021 | 1234 |
| 2022 | 1149 |
| 2023 | 1161 |
| 2024 | 1142 |
| 2025 | 1278 |
| 2026 | 597 |