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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1829 | 2 |
| 1856 | 1 |
| 1871 | 1 |
| 1872 | 1 |
| 1874 | 2 |
| 1875 | 1 |
| 1880 | 1 |
| 1884 | 3 |
| 1887 | 1 |
| 1888 | 2 |
| 1889 | 1 |
| 1890 | 4 |
| 1898 | 1 |
| 1902 | 1 |
| 1912 | 2 |
| 1916 | 1 |
| 1929 | 1 |
| 1937 | 2 |
| 1938 | 1 |
| 1939 | 2 |
| 1940 | 2 |
| 1941 | 4 |
| 1942 | 1 |
| 1943 | 1 |
| 1944 | 2 |
| 1945 | 6 |
| 1946 | 27 |
| 1947 | 24 |
| 1948 | 7 |
| 1949 | 12 |
| 1950 | 14 |
| 1951 | 13 |
| 1952 | 9 |
| 1953 | 7 |
| 1954 | 15 |
| 1955 | 6 |
| 1956 | 10 |
| 1957 | 10 |
| 1958 | 13 |
| 1959 | 6 |
| 1960 | 7 |
| 1961 | 11 |
| 1962 | 8 |
| 1963 | 8 |
| 1964 | 15 |
| 1965 | 15 |
| 1966 | 6 |
| 1967 | 17 |
| 1968 | 21 |
| 1969 | 21 |
| 1970 | 38 |
| 1971 | 29 |
| 1972 | 23 |
| 1973 | 33 |
| 1974 | 28 |
| 1975 | 35 |
| 1976 | 38 |
| 1977 | 32 |
| 1978 | 46 |
| 1979 | 42 |
| 1980 | 32 |
| 1981 | 52 |
| 1982 | 40 |
| 1983 | 52 |
| 1984 | 49 |
| 1985 | 41 |
| 1986 | 49 |
| 1987 | 61 |
| 1988 | 55 |
| 1989 | 76 |
| 1990 | 75 |
| 1991 | 75 |
| 1992 | 83 |
| 1993 | 86 |
| 1994 | 81 |
| 1995 | 96 |
| 1996 | 100 |
| 1997 | 100 |
| 1998 | 79 |
| 1999 | 107 |
| 2000 | 104 |
| 2001 | 93 |
| 2002 | 107 |
| 2003 | 106 |
| 2004 | 104 |
| 2005 | 117 |
| 2006 | 156 |
| 2007 | 179 |
| 2008 | 181 |
| 2009 | 230 |
| 2010 | 281 |
| 2011 | 296 |
| 2012 | 327 |
| 2013 | 325 |
| 2014 | 318 |
| 2015 | 316 |
| 2016 | 310 |
| 2017 | 313 |
| 2018 | 337 |
| 2019 | 348 |
| 2020 | 392 |
| 2021 | 450 |
| 2022 | 445 |
| 2023 | 377 |
| 2024 | 186 |