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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1853 | 1 |
| 1865 | 1 |
| 1866 | 9 |
| 1867 | 13 |
| 1868 | 9 |
| 1869 | 9 |
| 1870 | 1 |
| 1875 | 1 |
| 1896 | 1 |
| 1916 | 1 |
| 1917 | 2 |
| 1920 | 2 |
| 1921 | 1 |
| 1922 | 2 |
| 1926 | 2 |
| 1927 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1931 | 1 |
| 1933 | 1 |
| 1935 | 2 |
| 1936 | 2 |
| 1937 | 1 |
| 1939 | 3 |
| 1940 | 1 |
| 1942 | 2 |
| 1943 | 2 |
| 1946 | 5 |
| 1947 | 4 |
| 1948 | 6 |
| 1949 | 4 |
| 1950 | 3 |
| 1951 | 4 |
| 1952 | 4 |
| 1953 | 3 |
| 1954 | 4 |
| 1955 | 4 |
| 1956 | 5 |
| 1957 | 7 |
| 1958 | 3 |
| 1959 | 7 |
| 1960 | 5 |
| 1961 | 6 |
| 1962 | 2 |
| 1963 | 3 |
| 1964 | 3 |
| 1965 | 4 |
| 1966 | 9 |
| 1967 | 7 |
| 1968 | 12 |
| 1969 | 18 |
| 1970 | 21 |
| 1971 | 21 |
| 1972 | 17 |
| 1973 | 19 |
| 1974 | 15 |
| 1975 | 17 |
| 1976 | 35 |
| 1977 | 19 |
| 1978 | 28 |
| 1979 | 35 |
| 1980 | 23 |
| 1981 | 37 |
| 1982 | 35 |
| 1983 | 28 |
| 1984 | 33 |
| 1985 | 40 |
| 1986 | 41 |
| 1987 | 53 |
| 1988 | 47 |
| 1989 | 45 |
| 1990 | 53 |
| 1991 | 74 |
| 1992 | 62 |
| 1993 | 62 |
| 1994 | 75 |
| 1995 | 77 |
| 1996 | 89 |
| 1997 | 78 |
| 1998 | 86 |
| 1999 | 94 |
| 2000 | 108 |
| 2001 | 88 |
| 2002 | 124 |
| 2003 | 115 |
| 2004 | 135 |
| 2005 | 159 |
| 2006 | 170 |
| 2007 | 179 |
| 2008 | 174 |
| 2009 | 197 |
| 2010 | 252 |
| 2011 | 243 |
| 2012 | 274 |
| 2013 | 287 |
| 2014 | 265 |
| 2015 | 254 |
| 2016 | 256 |
| 2017 | 315 |
| 2018 | 313 |
| 2019 | 291 |
| 2020 | 346 |
| 2021 | 375 |
| 2022 | 398 |
| 2023 | 370 |
| 2024 | 155 |