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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1880 | 2 |
| 1886 | 1 |
| 1887 | 2 |
| 1888 | 1 |
| 1891 | 1 |
| 1892 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1902 | 1 |
| 1907 | 2 |
| 1909 | 1 |
| 1914 | 1 |
| 1915 | 170 |
| 1916 | 178 |
| 1917 | 169 |
| 1918 | 92 |
| 1919 | 107 |
| 1920 | 139 |
| 1921 | 81 |
| 1922 | 98 |
| 1923 | 111 |
| 1924 | 123 |
| 1925 | 195 |
| 1926 | 173 |
| 1927 | 201 |
| 1928 | 210 |
| 1929 | 192 |
| 1930 | 151 |
| 1931 | 141 |
| 1932 | 148 |
| 1933 | 198 |
| 1934 | 153 |
| 1935 | 150 |
| 1936 | 148 |
| 1937 | 134 |
| 1938 | 118 |
| 1939 | 142 |
| 1940 | 142 |
| 1941 | 128 |
| 1942 | 115 |
| 1943 | 80 |
| 1944 | 79 |
| 1945 | 83 |
| 1946 | 146 |
| 1947 | 150 |
| 1948 | 150 |
| 1949 | 172 |
| 1950 | 125 |
| 1951 | 157 |
| 1952 | 184 |
| 1953 | 203 |
| 1954 | 220 |
| 1955 | 217 |
| 1956 | 215 |
| 1957 | 188 |
| 1958 | 222 |
| 1959 | 297 |
| 1960 | 311 |
| 1961 | 350 |
| 1962 | 376 |
| 1963 | 461 |
| 1964 | 599 |
| 1965 | 666 |
| 1966 | 676 |
| 1967 | 781 |
| 1968 | 795 |
| 1969 | 850 |
| 1970 | 1020 |
| 1971 | 1357 |
| 1972 | 1820 |
| 1973 | 1724 |
| 1974 | 2083 |
| 1975 | 2138 |
| 1976 | 1853 |
| 1977 | 1893 |
| 1978 | 1980 |
| 1979 | 2023 |
| 1980 | 2234 |
| 1981 | 2305 |
| 1982 | 2511 |
| 1983 | 2592 |
| 1984 | 2594 |
| 1985 | 4017 |
| 1986 | 4481 |
| 1987 | 4836 |
| 1988 | 4702 |
| 1989 | 4890 |
| 1990 | 4723 |
| 1991 | 5254 |
| 1992 | 5436 |
| 1993 | 4372 |
| 1994 | 4724 |
| 1995 | 4680 |
| 1996 | 5011 |
| 1997 | 3793 |
| 1998 | 4259 |
| 1999 | 4496 |
| 2000 | 5350 |
| 2001 | 5608 |
| 2002 | 6221 |
| 2003 | 7598 |
| 2004 | 8390 |
| 2005 | 10433 |
| 2006 | 11448 |
| 2007 | 11736 |
| 2008 | 11720 |
| 2009 | 12302 |
| 2010 | 12353 |
| 2011 | 12365 |
| 2012 | 13076 |
| 2013 | 13885 |
| 2014 | 15052 |
| 2015 | 14182 |
| 2016 | 13589 |
| 2017 | 12027 |
| 2018 | 11807 |
| 2019 | 12237 |
| 2020 | 13098 |
| 2021 | 12431 |
| 2022 | 11551 |
| 2023 | 10729 |
| 2024 | 9027 |
| 2025 | 78 |