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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1869 | 1 |
| 1871 | 1 |
| 1872 | 2 |
| 1873 | 1 |
| 1874 | 3 |
| 1877 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1904 | 1 |
| 1905 | 2 |
| 1906 | 1 |
| 1908 | 1 |
| 1909 | 1 |
| 1914 | 2 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1930 | 2 |
| 1932 | 1 |
| 1935 | 4 |
| 1936 | 2 |
| 1937 | 4 |
| 1938 | 2 |
| 1939 | 1 |
| 1941 | 1 |
| 1943 | 1 |
| 1945 | 1 |
| 1946 | 4 |
| 1947 | 2 |
| 1948 | 1 |
| 1949 | 2 |
| 1951 | 3 |
| 1952 | 2 |
| 1953 | 7 |
| 1954 | 2 |
| 1955 | 4 |
| 1956 | 4 |
| 1957 | 4 |
| 1958 | 4 |
| 1959 | 4 |
| 1960 | 4 |
| 1961 | 2 |
| 1962 | 2 |
| 1963 | 3 |
| 1964 | 5 |
| 1966 | 5 |
| 1967 | 4 |
| 1968 | 1 |
| 1969 | 3 |
| 1970 | 2 |
| 1971 | 3 |
| 1972 | 5 |
| 1973 | 9 |
| 1974 | 6 |
| 1975 | 8 |
| 1976 | 9 |
| 1977 | 5 |
| 1978 | 10 |
| 1979 | 7 |
| 1980 | 11 |
| 1981 | 14 |
| 1982 | 14 |
| 1983 | 19 |
| 1984 | 39 |
| 1985 | 33 |
| 1986 | 30 |
| 1987 | 21 |
| 1988 | 33 |
| 1989 | 39 |
| 1990 | 27 |
| 1991 | 38 |
| 1992 | 30 |
| 1993 | 34 |
| 1994 | 28 |
| 1995 | 45 |
| 1996 | 45 |
| 1997 | 39 |
| 1998 | 52 |
| 1999 | 49 |
| 2000 | 56 |
| 2001 | 48 |
| 2002 | 67 |
| 2003 | 64 |
| 2004 | 77 |
| 2005 | 72 |
| 2006 | 84 |
| 2007 | 73 |
| 2008 | 88 |
| 2009 | 81 |
| 2010 | 67 |
| 2011 | 86 |
| 2012 | 123 |
| 2013 | 118 |
| 2014 | 118 |
| 2015 | 159 |
| 2016 | 162 |
| 2017 | 177 |
| 2018 | 159 |
| 2019 | 150 |
| 2020 | 169 |
| 2021 | 170 |
| 2022 | 104 |
| 2023 | 146 |
| 2024 | 130 |
| 2025 | 126 |
| 2026 | 99 |