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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1866 | 1 |
| 1875 | 2 |
| 1876 | 1 |
| 1877 | 1 |
| 1882 | 3 |
| 1883 | 1 |
| 1884 | 1 |
| 1887 | 3 |
| 1889 | 2 |
| 1898 | 1 |
| 1900 | 1 |
| 1901 | 3 |
| 1903 | 1 |
| 1905 | 1 |
| 1907 | 2 |
| 1908 | 1 |
| 1909 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1913 | 2 |
| 1914 | 2 |
| 1915 | 2 |
| 1916 | 2 |
| 1918 | 1 |
| 1919 | 1 |
| 1920 | 1 |
| 1921 | 2 |
| 1922 | 3 |
| 1923 | 4 |
| 1924 | 3 |
| 1925 | 1 |
| 1926 | 2 |
| 1927 | 3 |
| 1928 | 3 |
| 1929 | 3 |
| 1930 | 3 |
| 1931 | 2 |
| 1932 | 8 |
| 1933 | 4 |
| 1934 | 5 |
| 1935 | 3 |
| 1936 | 1 |
| 1937 | 4 |
| 1938 | 3 |
| 1939 | 5 |
| 1940 | 8 |
| 1941 | 7 |
| 1942 | 3 |
| 1943 | 2 |
| 1944 | 3 |
| 1945 | 10 |
| 1946 | 21 |
| 1947 | 37 |
| 1948 | 28 |
| 1949 | 36 |
| 1950 | 43 |
| 1951 | 54 |
| 1952 | 54 |
| 1953 | 58 |
| 1954 | 84 |
| 1955 | 79 |
| 1956 | 90 |
| 1957 | 94 |
| 1958 | 114 |
| 1959 | 71 |
| 1960 | 102 |
| 1961 | 130 |
| 1962 | 117 |
| 1963 | 238 |
| 1964 | 372 |
| 1965 | 431 |
| 1966 | 481 |
| 1967 | 594 |
| 1968 | 759 |
| 1969 | 858 |
| 1970 | 880 |
| 1971 | 964 |
| 1972 | 1065 |
| 1973 | 1177 |
| 1974 | 1324 |
| 1975 | 1201 |
| 1976 | 1183 |
| 1977 | 1127 |
| 1978 | 1177 |
| 1979 | 1182 |
| 1980 | 1235 |
| 1981 | 1272 |
| 1982 | 1315 |
| 1983 | 1395 |
| 1984 | 1433 |
| 1985 | 1483 |
| 1986 | 1453 |
| 1987 | 1361 |
| 1988 | 1405 |
| 1989 | 1411 |
| 1990 | 1172 |
| 1991 | 1257 |
| 1992 | 1203 |
| 1993 | 1217 |
| 1994 | 1221 |
| 1995 | 1128 |
| 1996 | 1194 |
| 1997 | 1136 |
| 1998 | 1252 |
| 1999 | 1258 |
| 2000 | 1391 |
| 2001 | 1389 |
| 2002 | 1468 |
| 2003 | 1536 |
| 2004 | 1734 |
| 2005 | 1939 |
| 2006 | 2122 |
| 2007 | 2320 |
| 2008 | 2513 |
| 2009 | 2609 |
| 2010 | 2709 |
| 2011 | 2849 |
| 2012 | 2959 |
| 2013 | 3061 |
| 2014 | 3418 |
| 2015 | 3460 |
| 2016 | 3524 |
| 2017 | 3563 |
| 2018 | 3866 |
| 2019 | 4152 |
| 2020 | 4562 |
| 2021 | 4718 |
| 2022 | 4957 |
| 2023 | 4866 |
| 2024 | 1985 |