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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1811 | 1 |
| 1813 | 2 |
| 1814 | 1 |
| 1815 | 1 |
| 1816 | 1 |
| 1817 | 1 |
| 1818 | 1 |
| 1821 | 2 |
| 1826 | 5 |
| 1827 | 7 |
| 1829 | 1 |
| 1832 | 1 |
| 1837 | 1 |
| 1838 | 1 |
| 1840 | 2 |
| 1849 | 2 |
| 1856 | 1 |
| 1858 | 1 |
| 1865 | 2 |
| 1868 | 1 |
| 1881 | 1 |
| 1887 | 2 |
| 1905 | 1 |
| 1906 | 1 |
| 1917 | 1 |
| 1923 | 1 |
| 1926 | 1 |
| 1938 | 1 |
| 1940 | 1 |
| 1945 | 2 |
| 1946 | 3 |
| 1947 | 11 |
| 1948 | 8 |
| 1949 | 9 |
| 1950 | 18 |
| 1951 | 20 |
| 1952 | 17 |
| 1953 | 11 |
| 1954 | 19 |
| 1955 | 19 |
| 1956 | 9 |
| 1957 | 7 |
| 1958 | 18 |
| 1959 | 4 |
| 1961 | 3 |
| 1962 | 1 |
| 1963 | 5 |
| 1964 | 15 |
| 1965 | 15 |
| 1966 | 6 |
| 1967 | 13 |
| 1968 | 10 |
| 1969 | 21 |
| 1970 | 14 |
| 1971 | 14 |
| 1972 | 25 |
| 1973 | 21 |
| 1974 | 21 |
| 1975 | 18 |
| 1976 | 19 |
| 1977 | 12 |
| 1978 | 26 |
| 1979 | 30 |
| 1980 | 25 |
| 1981 | 22 |
| 1982 | 29 |
| 1983 | 33 |
| 1984 | 32 |
| 1985 | 38 |
| 1986 | 32 |
| 1987 | 36 |
| 1988 | 39 |
| 1989 | 38 |
| 1990 | 38 |
| 1991 | 32 |
| 1992 | 37 |
| 1993 | 33 |
| 1994 | 40 |
| 1995 | 42 |
| 1996 | 46 |
| 1997 | 46 |
| 1998 | 44 |
| 1999 | 56 |
| 2000 | 50 |
| 2001 | 48 |
| 2002 | 60 |
| 2003 | 53 |
| 2004 | 46 |
| 2005 | 60 |
| 2006 | 63 |
| 2007 | 70 |
| 2008 | 77 |
| 2009 | 90 |
| 2010 | 99 |
| 2011 | 97 |
| 2012 | 115 |
| 2013 | 114 |
| 2014 | 108 |
| 2015 | 150 |
| 2016 | 130 |
| 2017 | 140 |
| 2018 | 171 |
| 2019 | 161 |
| 2020 | 145 |
| 2021 | 163 |
| 2022 | 175 |
| 2023 | 148 |
| 2024 | 173 |
| 2025 | 132 |