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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1851 | 2 |
| 1862 | 1 |
| 1867 | 1 |
| 1868 | 2 |
| 1875 | 1 |
| 1876 | 1 |
| 1882 | 1 |
| 1885 | 1 |
| 1887 | 1 |
| 1895 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1903 | 1 |
| 1907 | 1 |
| 1911 | 1 |
| 1917 | 1 |
| 1919 | 1 |
| 1927 | 1 |
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 1 |
| 1932 | 3 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 1 |
| 1938 | 1 |
| 1939 | 1 |
| 1942 | 2 |
| 1943 | 1 |
| 1945 | 6 |
| 1946 | 20 |
| 1947 | 31 |
| 1948 | 37 |
| 1949 | 35 |
| 1950 | 27 |
| 1951 | 31 |
| 1952 | 45 |
| 1953 | 25 |
| 1954 | 36 |
| 1955 | 36 |
| 1956 | 34 |
| 1957 | 38 |
| 1958 | 52 |
| 1959 | 36 |
| 1960 | 44 |
| 1961 | 33 |
| 1962 | 44 |
| 1963 | 70 |
| 1964 | 85 |
| 1965 | 64 |
| 1966 | 101 |
| 1967 | 87 |
| 1968 | 107 |
| 1969 | 94 |
| 1970 | 95 |
| 1971 | 109 |
| 1972 | 114 |
| 1973 | 129 |
| 1974 | 117 |
| 1975 | 133 |
| 1976 | 145 |
| 1977 | 153 |
| 1978 | 179 |
| 1979 | 191 |
| 1980 | 152 |
| 1981 | 175 |
| 1982 | 174 |
| 1983 | 168 |
| 1984 | 198 |
| 1985 | 216 |
| 1986 | 242 |
| 1987 | 252 |
| 1988 | 247 |
| 1989 | 247 |
| 1990 | 258 |
| 1991 | 258 |
| 1992 | 279 |
| 1993 | 307 |
| 1994 | 297 |
| 1995 | 253 |
| 1996 | 307 |
| 1997 | 261 |
| 1998 | 289 |
| 1999 | 285 |
| 2000 | 301 |
| 2001 | 335 |
| 2002 | 366 |
| 2003 | 431 |
| 2004 | 410 |
| 2005 | 466 |
| 2006 | 489 |
| 2007 | 545 |
| 2008 | 629 |
| 2009 | 694 |
| 2010 | 754 |
| 2011 | 808 |
| 2012 | 734 |
| 2013 | 889 |
| 2014 | 1020 |
| 2015 | 1065 |
| 2016 | 1119 |
| 2017 | 1154 |
| 2018 | 1225 |
| 2019 | 1250 |
| 2020 | 1380 |
| 2021 | 1524 |
| 2022 | 1547 |
| 2023 | 1524 |
| 2024 | 1163 |