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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1843 | 1 |
| 1845 | 1 |
| 1846 | 1 |
| 1851 | 1 |
| 1856 | 1 |
| 1857 | 1 |
| 1858 | 2 |
| 1866 | 1 |
| 1869 | 1 |
| 1871 | 1 |
| 1872 | 1 |
| 1873 | 1 |
| 1877 | 1 |
| 1881 | 1 |
| 1893 | 1 |
| 1913 | 1 |
| 1938 | 1 |
| 1945 | 1 |
| 1946 | 1 |
| 1947 | 1 |
| 1948 | 7 |
| 1949 | 4 |
| 1950 | 5 |
| 1951 | 4 |
| 1952 | 6 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 3 |
| 1957 | 8 |
| 1958 | 6 |
| 1959 | 8 |
| 1960 | 5 |
| 1961 | 10 |
| 1962 | 7 |
| 1963 | 9 |
| 1964 | 16 |
| 1965 | 11 |
| 1966 | 11 |
| 1967 | 12 |
| 1968 | 11 |
| 1969 | 16 |
| 1970 | 20 |
| 1971 | 22 |
| 1972 | 20 |
| 1973 | 11 |
| 1974 | 18 |
| 1975 | 12 |
| 1976 | 10 |
| 1977 | 11 |
| 1978 | 22 |
| 1979 | 17 |
| 1980 | 20 |
| 1981 | 39 |
| 1982 | 31 |
| 1983 | 45 |
| 1984 | 63 |
| 1985 | 51 |
| 1986 | 48 |
| 1987 | 62 |
| 1988 | 45 |
| 1989 | 48 |
| 1990 | 36 |
| 1991 | 54 |
| 1992 | 61 |
| 1993 | 52 |
| 1994 | 65 |
| 1995 | 43 |
| 1996 | 52 |
| 1997 | 61 |
| 1998 | 40 |
| 1999 | 42 |
| 2000 | 60 |
| 2001 | 58 |
| 2002 | 78 |
| 2003 | 71 |
| 2004 | 59 |
| 2005 | 78 |
| 2006 | 75 |
| 2007 | 84 |
| 2008 | 73 |
| 2009 | 94 |
| 2010 | 83 |
| 2011 | 103 |
| 2012 | 98 |
| 2013 | 102 |
| 2014 | 100 |
| 2015 | 95 |
| 2016 | 98 |
| 2017 | 83 |
| 2018 | 76 |
| 2019 | 104 |
| 2020 | 105 |
| 2021 | 101 |
| 2022 | 81 |
| 2023 | 91 |
| 2024 | 90 |
| 2025 | 2 |