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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1840 | 1 |
| 1841 | 2 |
| 1842 | 1 |
| 1843 | 2 |
| 1861 | 1 |
| 1864 | 1 |
| 1873 | 1 |
| 1875 | 1 |
| 1880 | 1 |
| 1884 | 3 |
| 1885 | 1 |
| 1886 | 4 |
| 1887 | 2 |
| 1888 | 2 |
| 1889 | 1 |
| 1893 | 1 |
| 1905 | 1 |
| 1908 | 1 |
| 1912 | 1 |
| 1920 | 1 |
| 1934 | 1 |
| 1936 | 1 |
| 1938 | 1 |
| 1939 | 3 |
| 1945 | 1 |
| 1946 | 4 |
| 1947 | 8 |
| 1948 | 9 |
| 1949 | 6 |
| 1950 | 7 |
| 1951 | 7 |
| 1952 | 8 |
| 1953 | 8 |
| 1954 | 7 |
| 1955 | 4 |
| 1956 | 7 |
| 1957 | 6 |
| 1958 | 8 |
| 1959 | 10 |
| 1960 | 13 |
| 1961 | 5 |
| 1962 | 9 |
| 1963 | 6 |
| 1964 | 13 |
| 1965 | 19 |
| 1966 | 17 |
| 1967 | 10 |
| 1968 | 8 |
| 1969 | 25 |
| 1970 | 21 |
| 1971 | 18 |
| 1972 | 17 |
| 1973 | 17 |
| 1974 | 21 |
| 1975 | 24 |
| 1976 | 17 |
| 1977 | 29 |
| 1978 | 25 |
| 1979 | 38 |
| 1980 | 37 |
| 1981 | 33 |
| 1982 | 34 |
| 1983 | 37 |
| 1984 | 52 |
| 1985 | 55 |
| 1986 | 62 |
| 1987 | 72 |
| 1988 | 77 |
| 1989 | 74 |
| 1990 | 62 |
| 1991 | 83 |
| 1992 | 87 |
| 1993 | 83 |
| 1994 | 91 |
| 1995 | 75 |
| 1996 | 100 |
| 1997 | 97 |
| 1998 | 92 |
| 1999 | 98 |
| 2000 | 104 |
| 2001 | 122 |
| 2002 | 115 |
| 2003 | 128 |
| 2004 | 153 |
| 2005 | 190 |
| 2006 | 224 |
| 2007 | 227 |
| 2008 | 216 |
| 2009 | 238 |
| 2010 | 207 |
| 2011 | 239 |
| 2012 | 299 |
| 2013 | 305 |
| 2014 | 307 |
| 2015 | 334 |
| 2016 | 323 |
| 2017 | 337 |
| 2018 | 351 |
| 2019 | 332 |
| 2020 | 402 |
| 2021 | 472 |
| 2022 | 427 |
| 2023 | 418 |
| 2024 | 170 |