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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1845 | 1 |
| 1884 | 1 |
| 1894 | 1 |
| 1897 | 2 |
| 1898 | 1 |
| 1899 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1908 | 3 |
| 1909 | 1 |
| 1910 | 2 |
| 1911 | 1 |
| 1913 | 1 |
| 1915 | 2 |
| 1916 | 2 |
| 1917 | 1 |
| 1921 | 2 |
| 1922 | 2 |
| 1924 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1929 | 4 |
| 1931 | 2 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 2 |
| 1937 | 2 |
| 1940 | 1 |
| 1941 | 2 |
| 1942 | 1 |
| 1943 | 1 |
| 1945 | 3 |
| 1946 | 32 |
| 1947 | 26 |
| 1948 | 48 |
| 1949 | 39 |
| 1950 | 52 |
| 1951 | 85 |
| 1952 | 85 |
| 1953 | 83 |
| 1954 | 100 |
| 1955 | 121 |
| 1956 | 106 |
| 1957 | 101 |
| 1958 | 106 |
| 1959 | 103 |
| 1960 | 126 |
| 1961 | 159 |
| 1962 | 138 |
| 1963 | 149 |
| 1964 | 164 |
| 1965 | 181 |
| 1966 | 187 |
| 1967 | 209 |
| 1968 | 229 |
| 1969 | 240 |
| 1970 | 249 |
| 1971 | 249 |
| 1972 | 330 |
| 1973 | 284 |
| 1974 | 315 |
| 1975 | 342 |
| 1976 | 304 |
| 1977 | 376 |
| 1978 | 378 |
| 1979 | 442 |
| 1980 | 394 |
| 1981 | 387 |
| 1982 | 377 |
| 1983 | 428 |
| 1984 | 395 |
| 1985 | 485 |
| 1986 | 497 |
| 1987 | 500 |
| 1988 | 559 |
| 1989 | 622 |
| 1990 | 642 |
| 1991 | 665 |
| 1992 | 673 |
| 1993 | 736 |
| 1994 | 753 |
| 1995 | 769 |
| 1996 | 753 |
| 1997 | 818 |
| 1998 | 797 |
| 1999 | 861 |
| 2000 | 905 |
| 2001 | 1042 |
| 2002 | 1053 |
| 2003 | 1037 |
| 2004 | 1121 |
| 2005 | 1253 |
| 2006 | 1386 |
| 2007 | 1535 |
| 2008 | 1632 |
| 2009 | 1639 |
| 2010 | 1766 |
| 2011 | 1749 |
| 2012 | 1990 |
| 2013 | 2122 |
| 2014 | 2115 |
| 2015 | 2182 |
| 2016 | 2172 |
| 2017 | 2245 |
| 2018 | 2405 |
| 2019 | 2352 |
| 2020 | 2764 |
| 2021 | 3090 |
| 2022 | 2719 |
| 2023 | 2592 |
| 2024 | 2604 |
| 2025 | 172 |