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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1851 | 1 |
| 1884 | 1 |
| 1886 | 1 |
| 1887 | 1 |
| 1892 | 1 |
| 1894 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1904 | 1 |
| 1910 | 2 |
| 1911 | 1 |
| 1912 | 3 |
| 1913 | 2 |
| 1915 | 1 |
| 1916 | 2 |
| 1920 | 2 |
| 1921 | 1 |
| 1923 | 6 |
| 1924 | 4 |
| 1925 | 1 |
| 1926 | 4 |
| 1927 | 4 |
| 1928 | 4 |
| 1929 | 2 |
| 1930 | 7 |
| 1931 | 1 |
| 1932 | 4 |
| 1933 | 4 |
| 1935 | 3 |
| 1936 | 2 |
| 1937 | 2 |
| 1938 | 3 |
| 1939 | 5 |
| 1941 | 3 |
| 1942 | 4 |
| 1944 | 1 |
| 1945 | 1 |
| 1946 | 13 |
| 1947 | 10 |
| 1948 | 14 |
| 1949 | 11 |
| 1950 | 15 |
| 1951 | 22 |
| 1952 | 19 |
| 1953 | 22 |
| 1954 | 20 |
| 1955 | 28 |
| 1956 | 25 |
| 1957 | 18 |
| 1958 | 26 |
| 1959 | 21 |
| 1960 | 16 |
| 1961 | 17 |
| 1962 | 29 |
| 1963 | 30 |
| 1964 | 37 |
| 1965 | 46 |
| 1966 | 63 |
| 1967 | 56 |
| 1968 | 71 |
| 1969 | 64 |
| 1970 | 96 |
| 1971 | 89 |
| 1972 | 102 |
| 1973 | 119 |
| 1974 | 132 |
| 1975 | 154 |
| 1976 | 156 |
| 1977 | 158 |
| 1978 | 159 |
| 1979 | 149 |
| 1980 | 176 |
| 1981 | 180 |
| 1982 | 202 |
| 1983 | 210 |
| 1984 | 220 |
| 1985 | 187 |
| 1986 | 212 |
| 1987 | 213 |
| 1988 | 230 |
| 1989 | 226 |
| 1990 | 228 |
| 1991 | 289 |
| 1992 | 254 |
| 1993 | 228 |
| 1994 | 231 |
| 1995 | 275 |
| 1996 | 251 |
| 1997 | 229 |
| 1998 | 215 |
| 1999 | 220 |
| 2000 | 190 |
| 2001 | 205 |
| 2002 | 201 |
| 2003 | 213 |
| 2004 | 230 |
| 2005 | 293 |
| 2006 | 325 |
| 2007 | 322 |
| 2008 | 309 |
| 2009 | 353 |
| 2010 | 350 |
| 2011 | 352 |
| 2012 | 379 |
| 2013 | 393 |
| 2014 | 376 |
| 2015 | 366 |
| 2016 | 382 |
| 2017 | 384 |
| 2018 | 413 |
| 2019 | 429 |
| 2020 | 491 |
| 2021 | 489 |
| 2022 | 475 |
| 2023 | 470 |
| 2024 | 498 |
| 2025 | 393 |