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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1853 | 3 |
| 1854 | 4 |
| 1855 | 3 |
| 1857 | 2 |
| 1858 | 1 |
| 1867 | 1 |
| 1868 | 2 |
| 1869 | 1 |
| 1894 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1901 | 1 |
| 1923 | 1 |
| 1924 | 3 |
| 1925 | 1 |
| 1927 | 1 |
| 1930 | 1 |
| 1936 | 1 |
| 1937 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1942 | 1 |
| 1945 | 1 |
| 1946 | 11 |
| 1947 | 12 |
| 1948 | 11 |
| 1949 | 12 |
| 1950 | 7 |
| 1951 | 12 |
| 1952 | 21 |
| 1953 | 8 |
| 1954 | 10 |
| 1955 | 11 |
| 1956 | 11 |
| 1957 | 15 |
| 1958 | 16 |
| 1959 | 13 |
| 1960 | 12 |
| 1961 | 6 |
| 1962 | 14 |
| 1963 | 14 |
| 1964 | 25 |
| 1965 | 21 |
| 1966 | 21 |
| 1967 | 18 |
| 1968 | 26 |
| 1969 | 23 |
| 1970 | 33 |
| 1971 | 26 |
| 1972 | 40 |
| 1973 | 30 |
| 1974 | 32 |
| 1975 | 52 |
| 1976 | 42 |
| 1977 | 47 |
| 1978 | 56 |
| 1979 | 57 |
| 1980 | 56 |
| 1981 | 51 |
| 1982 | 63 |
| 1983 | 58 |
| 1984 | 76 |
| 1985 | 68 |
| 1986 | 78 |
| 1987 | 86 |
| 1988 | 97 |
| 1989 | 104 |
| 1990 | 92 |
| 1991 | 96 |
| 1992 | 93 |
| 1993 | 96 |
| 1994 | 115 |
| 1995 | 99 |
| 1996 | 118 |
| 1997 | 114 |
| 1998 | 109 |
| 1999 | 135 |
| 2000 | 120 |
| 2001 | 123 |
| 2002 | 105 |
| 2003 | 129 |
| 2004 | 128 |
| 2005 | 122 |
| 2006 | 140 |
| 2007 | 148 |
| 2008 | 157 |
| 2009 | 166 |
| 2010 | 162 |
| 2011 | 176 |
| 2012 | 190 |
| 2013 | 196 |
| 2014 | 199 |
| 2015 | 239 |
| 2016 | 220 |
| 2017 | 240 |
| 2018 | 232 |
| 2019 | 229 |
| 2020 | 251 |
| 2021 | 297 |
| 2022 | 298 |
| 2023 | 289 |