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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1864 | 1 |
| 1907 | 1 |
| 1909 | 1 |
| 1911 | 1 |
| 1922 | 1 |
| 1923 | 1 |
| 1925 | 1 |
| 1929 | 1 |
| 1932 | 1 |
| 1934 | 1 |
| 1936 | 2 |
| 1938 | 1 |
| 1940 | 1 |
| 1941 | 2 |
| 1944 | 1 |
| 1948 | 2 |
| 1950 | 1 |
| 1951 | 3 |
| 1952 | 4 |
| 1953 | 6 |
| 1954 | 2 |
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 3 |
| 1958 | 9 |
| 1960 | 7 |
| 1961 | 5 |
| 1962 | 3 |
| 1963 | 7 |
| 1964 | 8 |
| 1965 | 8 |
| 1966 | 21 |
| 1967 | 20 |
| 1968 | 19 |
| 1969 | 27 |
| 1970 | 18 |
| 1971 | 32 |
| 1972 | 31 |
| 1973 | 24 |
| 1974 | 25 |
| 1975 | 78 |
| 1976 | 71 |
| 1977 | 87 |
| 1978 | 77 |
| 1979 | 75 |
| 1980 | 89 |
| 1981 | 75 |
| 1982 | 96 |
| 1983 | 106 |
| 1984 | 130 |
| 1985 | 146 |
| 1986 | 150 |
| 1987 | 197 |
| 1988 | 179 |
| 1989 | 229 |
| 1990 | 237 |
| 1991 | 204 |
| 1992 | 229 |
| 1993 | 259 |
| 1994 | 243 |
| 1995 | 249 |
| 1996 | 323 |
| 1997 | 311 |
| 1998 | 298 |
| 1999 | 307 |
| 2000 | 340 |
| 2001 | 388 |
| 2002 | 404 |
| 2003 | 410 |
| 2004 | 447 |
| 2005 | 539 |
| 2006 | 586 |
| 2007 | 600 |
| 2008 | 649 |
| 2009 | 663 |
| 2010 | 729 |
| 2011 | 788 |
| 2012 | 859 |
| 2013 | 950 |
| 2014 | 1295 |
| 2015 | 1475 |
| 2016 | 1604 |
| 2017 | 1691 |
| 2018 | 1816 |
| 2019 | 1816 |
| 2020 | 2061 |
| 2021 | 2299 |
| 2022 | 2349 |
| 2023 | 2343 |
| 2024 | 892 |