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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 1 |
| 1849 | 3 |
| 1850 | 3 |
| 1851 | 1 |
| 1852 | 1 |
| 1856 | 1 |
| 1858 | 1 |
| 1872 | 1 |
| 1877 | 2 |
| 1882 | 1 |
| 1883 | 1 |
| 1885 | 1 |
| 1886 | 1 |
| 1887 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1896 | 1 |
| 1897 | 2 |
| 1900 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1907 | 1 |
| 1910 | 1 |
| 1911 | 2 |
| 1913 | 1 |
| 1914 | 1 |
| 1916 | 1 |
| 1917 | 1 |
| 1920 | 2 |
| 1927 | 3 |
| 1928 | 2 |
| 1929 | 2 |
| 1931 | 2 |
| 1933 | 2 |
| 1934 | 2 |
| 1935 | 3 |
| 1938 | 2 |
| 1942 | 1 |
| 1943 | 2 |
| 1944 | 2 |
| 1945 | 2 |
| 1946 | 7 |
| 1947 | 5 |
| 1948 | 12 |
| 1949 | 12 |
| 1950 | 13 |
| 1951 | 13 |
| 1952 | 21 |
| 1953 | 17 |
| 1954 | 17 |
| 1955 | 19 |
| 1956 | 13 |
| 1957 | 7 |
| 1958 | 14 |
| 1959 | 12 |
| 1960 | 8 |
| 1961 | 18 |
| 1962 | 22 |
| 1963 | 16 |
| 1964 | 26 |
| 1965 | 30 |
| 1966 | 25 |
| 1967 | 34 |
| 1968 | 44 |
| 1969 | 42 |
| 1970 | 34 |
| 1971 | 33 |
| 1972 | 47 |
| 1973 | 55 |
| 1974 | 57 |
| 1975 | 50 |
| 1976 | 55 |
| 1977 | 71 |
| 1978 | 67 |
| 1979 | 79 |
| 1980 | 74 |
| 1981 | 73 |
| 1982 | 86 |
| 1983 | 88 |
| 1984 | 103 |
| 1985 | 110 |
| 1986 | 129 |
| 1987 | 126 |
| 1988 | 118 |
| 1989 | 132 |
| 1990 | 114 |
| 1991 | 143 |
| 1992 | 148 |
| 1993 | 141 |
| 1994 | 148 |
| 1995 | 146 |
| 1996 | 127 |
| 1997 | 130 |
| 1998 | 134 |
| 1999 | 134 |
| 2000 | 141 |
| 2001 | 181 |
| 2002 | 171 |
| 2003 | 160 |
| 2004 | 165 |
| 2005 | 171 |
| 2006 | 180 |
| 2007 | 219 |
| 2008 | 247 |
| 2009 | 219 |
| 2010 | 252 |
| 2011 | 305 |
| 2012 | 282 |
| 2013 | 305 |
| 2014 | 345 |
| 2015 | 336 |
| 2016 | 339 |
| 2017 | 330 |
| 2018 | 344 |
| 2019 | 330 |
| 2020 | 419 |
| 2021 | 449 |
| 2022 | 457 |
| 2023 | 385 |
| 2024 | 142 |