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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1859 | 1 |
| 1866 | 1 |
| 1874 | 1 |
| 1876 | 1 |
| 1879 | 1 |
| 1882 | 1 |
| 1898 | 1 |
| 1905 | 1 |
| 1914 | 1 |
| 1915 | 2 |
| 1917 | 1 |
| 1927 | 1 |
| 1933 | 1 |
| 1935 | 1 |
| 1936 | 5 |
| 1937 | 1 |
| 1938 | 2 |
| 1939 | 3 |
| 1940 | 2 |
| 1942 | 2 |
| 1945 | 5 |
| 1946 | 23 |
| 1947 | 27 |
| 1948 | 28 |
| 1949 | 8 |
| 1950 | 21 |
| 1951 | 21 |
| 1952 | 20 |
| 1953 | 18 |
| 1954 | 20 |
| 1955 | 10 |
| 1956 | 19 |
| 1957 | 20 |
| 1958 | 20 |
| 1959 | 12 |
| 1960 | 21 |
| 1961 | 17 |
| 1962 | 10 |
| 1963 | 27 |
| 1964 | 34 |
| 1965 | 29 |
| 1966 | 34 |
| 1967 | 20 |
| 1968 | 20 |
| 1969 | 29 |
| 1970 | 22 |
| 1971 | 26 |
| 1972 | 19 |
| 1973 | 23 |
| 1974 | 25 |
| 1975 | 24 |
| 1976 | 35 |
| 1977 | 33 |
| 1978 | 49 |
| 1979 | 48 |
| 1980 | 44 |
| 1981 | 50 |
| 1982 | 45 |
| 1983 | 55 |
| 1984 | 77 |
| 1985 | 56 |
| 1986 | 58 |
| 1987 | 61 |
| 1988 | 72 |
| 1989 | 60 |
| 1990 | 78 |
| 1991 | 78 |
| 1992 | 91 |
| 1993 | 104 |
| 1994 | 66 |
| 1995 | 99 |
| 1996 | 111 |
| 1997 | 113 |
| 1998 | 85 |
| 1999 | 97 |
| 2000 | 110 |
| 2001 | 99 |
| 2002 | 93 |
| 2003 | 106 |
| 2004 | 123 |
| 2005 | 141 |
| 2006 | 170 |
| 2007 | 159 |
| 2008 | 167 |
| 2009 | 181 |
| 2010 | 224 |
| 2011 | 219 |
| 2012 | 276 |
| 2013 | 288 |
| 2014 | 266 |
| 2015 | 309 |
| 2016 | 331 |
| 2017 | 338 |
| 2018 | 336 |
| 2019 | 307 |
| 2020 | 340 |
| 2021 | 380 |
| 2022 | 360 |
| 2023 | 352 |
| 2024 | 288 |
| 2025 | 326 |