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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1818 | 1 |
| 1882 | 1 |
| 1884 | 2 |
| 1885 | 1 |
| 1887 | 2 |
| 1888 | 1 |
| 1890 | 1 |
| 1893 | 1 |
| 1908 | 1 |
| 1910 | 1 |
| 1913 | 1 |
| 1915 | 1 |
| 1916 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1933 | 1 |
| 1935 | 1 |
| 1940 | 1 |
| 1941 | 2 |
| 1942 | 1 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 1 |
| 1946 | 4 |
| 1947 | 6 |
| 1948 | 4 |
| 1949 | 7 |
| 1950 | 2 |
| 1951 | 5 |
| 1952 | 14 |
| 1953 | 6 |
| 1954 | 13 |
| 1955 | 17 |
| 1956 | 9 |
| 1957 | 14 |
| 1958 | 10 |
| 1959 | 12 |
| 1960 | 14 |
| 1961 | 19 |
| 1962 | 21 |
| 1963 | 26 |
| 1964 | 29 |
| 1965 | 30 |
| 1966 | 35 |
| 1967 | 23 |
| 1968 | 24 |
| 1969 | 58 |
| 1970 | 44 |
| 1971 | 42 |
| 1972 | 51 |
| 1973 | 52 |
| 1974 | 46 |
| 1975 | 66 |
| 1976 | 75 |
| 1977 | 81 |
| 1978 | 68 |
| 1979 | 62 |
| 1980 | 112 |
| 1981 | 107 |
| 1982 | 104 |
| 1983 | 109 |
| 1984 | 110 |
| 1985 | 104 |
| 1986 | 120 |
| 1987 | 142 |
| 1988 | 140 |
| 1989 | 129 |
| 1990 | 113 |
| 1991 | 124 |
| 1992 | 125 |
| 1993 | 127 |
| 1994 | 128 |
| 1995 | 101 |
| 1996 | 115 |
| 1997 | 120 |
| 1998 | 151 |
| 1999 | 135 |
| 2000 | 141 |
| 2001 | 144 |
| 2002 | 146 |
| 2003 | 143 |
| 2004 | 161 |
| 2005 | 175 |
| 2006 | 181 |
| 2007 | 219 |
| 2008 | 245 |
| 2009 | 217 |
| 2010 | 247 |
| 2011 | 248 |
| 2012 | 262 |
| 2013 | 270 |
| 2014 | 292 |
| 2015 | 273 |
| 2016 | 273 |
| 2017 | 300 |
| 2018 | 302 |
| 2019 | 296 |
| 2020 | 342 |
| 2021 | 346 |
| 2022 | 311 |
| 2023 | 290 |
| 2024 | 269 |
| 2025 | 266 |
| 2026 | 15 |