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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1855 | 1 |
| 1873 | 1 |
| 1880 | 1 |
| 1886 | 1 |
| 1903 | 1 |
| 1932 | 1 |
| 1938 | 2 |
| 1940 | 1 |
| 1942 | 1 |
| 1944 | 1 |
| 1945 | 4 |
| 1946 | 4 |
| 1947 | 3 |
| 1948 | 2 |
| 1949 | 5 |
| 1950 | 4 |
| 1951 | 3 |
| 1952 | 3 |
| 1953 | 7 |
| 1954 | 7 |
| 1955 | 6 |
| 1956 | 5 |
| 1957 | 1 |
| 1958 | 3 |
| 1959 | 4 |
| 1960 | 4 |
| 1961 | 6 |
| 1962 | 12 |
| 1963 | 12 |
| 1964 | 13 |
| 1965 | 21 |
| 1966 | 26 |
| 1967 | 25 |
| 1968 | 24 |
| 1969 | 19 |
| 1970 | 24 |
| 1971 | 22 |
| 1972 | 28 |
| 1973 | 19 |
| 1974 | 22 |
| 1975 | 101 |
| 1976 | 88 |
| 1977 | 85 |
| 1978 | 68 |
| 1979 | 78 |
| 1980 | 122 |
| 1981 | 108 |
| 1982 | 129 |
| 1983 | 141 |
| 1984 | 170 |
| 1985 | 166 |
| 1986 | 153 |
| 1987 | 159 |
| 1988 | 200 |
| 1989 | 210 |
| 1990 | 208 |
| 1991 | 220 |
| 1992 | 227 |
| 1993 | 253 |
| 1994 | 277 |
| 1995 | 279 |
| 1996 | 311 |
| 1997 | 334 |
| 1998 | 345 |
| 1999 | 385 |
| 2000 | 389 |
| 2001 | 432 |
| 2002 | 475 |
| 2003 | 516 |
| 2004 | 632 |
| 2005 | 715 |
| 2006 | 751 |
| 2007 | 848 |
| 2008 | 902 |
| 2009 | 993 |
| 2010 | 1017 |
| 2011 | 1183 |
| 2012 | 1333 |
| 2013 | 1516 |
| 2014 | 1596 |
| 2015 | 1761 |
| 2016 | 1801 |
| 2017 | 1830 |
| 2018 | 1939 |
| 2019 | 1982 |
| 2020 | 2212 |
| 2021 | 2446 |
| 2022 | 2521 |
| 2023 | 2342 |
| 2024 | 954 |