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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1858 | 1 |
| 1874 | 1 |
| 1881 | 1 |
| 1885 | 1 |
| 1887 | 1 |
| 1912 | 1 |
| 1914 | 1 |
| 1920 | 2 |
| 1921 | 1 |
| 1922 | 3 |
| 1924 | 1 |
| 1931 | 1 |
| 1934 | 1 |
| 1936 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1939 | 2 |
| 1942 | 1 |
| 1943 | 1 |
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 12 |
| 1948 | 10 |
| 1949 | 7 |
| 1950 | 10 |
| 1951 | 12 |
| 1952 | 10 |
| 1953 | 9 |
| 1954 | 14 |
| 1955 | 8 |
| 1956 | 6 |
| 1957 | 22 |
| 1958 | 8 |
| 1959 | 8 |
| 1960 | 7 |
| 1961 | 21 |
| 1962 | 20 |
| 1963 | 22 |
| 1964 | 20 |
| 1965 | 20 |
| 1966 | 35 |
| 1967 | 32 |
| 1968 | 31 |
| 1969 | 31 |
| 1970 | 48 |
| 1971 | 58 |
| 1972 | 55 |
| 1973 | 60 |
| 1974 | 55 |
| 1975 | 51 |
| 1976 | 54 |
| 1977 | 45 |
| 1978 | 60 |
| 1979 | 58 |
| 1980 | 59 |
| 1981 | 59 |
| 1982 | 60 |
| 1983 | 76 |
| 1984 | 90 |
| 1985 | 82 |
| 1986 | 91 |
| 1987 | 91 |
| 1988 | 89 |
| 1989 | 107 |
| 1990 | 88 |
| 1991 | 78 |
| 1992 | 96 |
| 1993 | 102 |
| 1994 | 94 |
| 1995 | 92 |
| 1996 | 109 |
| 1997 | 129 |
| 1998 | 137 |
| 1999 | 130 |
| 2000 | 154 |
| 2001 | 138 |
| 2002 | 145 |
| 2003 | 172 |
| 2004 | 168 |
| 2005 | 185 |
| 2006 | 192 |
| 2007 | 187 |
| 2008 | 229 |
| 2009 | 229 |
| 2010 | 272 |
| 2011 | 276 |
| 2012 | 317 |
| 2013 | 321 |
| 2014 | 325 |
| 2015 | 346 |
| 2016 | 347 |
| 2017 | 379 |
| 2018 | 385 |
| 2019 | 448 |
| 2020 | 512 |
| 2021 | 610 |
| 2022 | 571 |
| 2023 | 532 |
| 2024 | 196 |