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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1828 | 1 |
| 1852 | 2 |
| 1853 | 2 |
| 1855 | 1 |
| 1861 | 1 |
| 1864 | 1 |
| 1867 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1893 | 1 |
| 1894 | 1 |
| 1906 | 1 |
| 1910 | 1 |
| 1915 | 1 |
| 1916 | 2 |
| 1918 | 1 |
| 1919 | 2 |
| 1934 | 1 |
| 1939 | 1 |
| 1942 | 1 |
| 1943 | 1 |
| 1946 | 6 |
| 1947 | 10 |
| 1948 | 12 |
| 1949 | 9 |
| 1950 | 9 |
| 1951 | 18 |
| 1952 | 9 |
| 1953 | 14 |
| 1954 | 9 |
| 1955 | 11 |
| 1956 | 14 |
| 1957 | 9 |
| 1958 | 11 |
| 1959 | 9 |
| 1960 | 14 |
| 1961 | 17 |
| 1962 | 22 |
| 1963 | 20 |
| 1964 | 11 |
| 1965 | 11 |
| 1966 | 15 |
| 1967 | 13 |
| 1968 | 19 |
| 1969 | 22 |
| 1970 | 25 |
| 1971 | 15 |
| 1972 | 21 |
| 1973 | 24 |
| 1974 | 18 |
| 1975 | 21 |
| 1976 | 31 |
| 1977 | 33 |
| 1978 | 48 |
| 1979 | 53 |
| 1980 | 59 |
| 1981 | 59 |
| 1982 | 70 |
| 1983 | 70 |
| 1984 | 64 |
| 1985 | 70 |
| 1986 | 60 |
| 1987 | 79 |
| 1988 | 79 |
| 1989 | 85 |
| 1990 | 65 |
| 1991 | 86 |
| 1992 | 78 |
| 1993 | 88 |
| 1994 | 75 |
| 1995 | 85 |
| 1996 | 90 |
| 1997 | 84 |
| 1998 | 99 |
| 1999 | 85 |
| 2000 | 98 |
| 2001 | 114 |
| 2002 | 99 |
| 2003 | 132 |
| 2004 | 164 |
| 2005 | 133 |
| 2006 | 174 |
| 2007 | 214 |
| 2008 | 201 |
| 2009 | 197 |
| 2010 | 193 |
| 2011 | 193 |
| 2012 | 219 |
| 2013 | 210 |
| 2014 | 280 |
| 2015 | 232 |
| 2016 | 224 |
| 2017 | 218 |
| 2018 | 212 |
| 2019 | 240 |
| 2020 | 317 |
| 2021 | 318 |
| 2022 | 301 |
| 2023 | 302 |
| 2024 | 302 |
| 2025 | 3 |