Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1852 | 1 |
| 1868 | 1 |
| 1869 | 1 |
| 1883 | 1 |
| 1884 | 1 |
| 1886 | 6 |
| 1887 | 2 |
| 1888 | 4 |
| 1893 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1916 | 2 |
| 1917 | 1 |
| 1923 | 2 |
| 1924 | 2 |
| 1925 | 3 |
| 1926 | 1 |
| 1927 | 2 |
| 1928 | 4 |
| 1930 | 5 |
| 1931 | 3 |
| 1932 | 2 |
| 1933 | 1 |
| 1934 | 2 |
| 1935 | 1 |
| 1937 | 5 |
| 1939 | 5 |
| 1940 | 3 |
| 1941 | 4 |
| 1942 | 2 |
| 1943 | 2 |
| 1944 | 1 |
| 1945 | 6 |
| 1946 | 19 |
| 1947 | 28 |
| 1948 | 24 |
| 1949 | 23 |
| 1950 | 24 |
| 1951 | 26 |
| 1952 | 27 |
| 1953 | 27 |
| 1954 | 35 |
| 1955 | 23 |
| 1956 | 27 |
| 1957 | 37 |
| 1958 | 48 |
| 1959 | 29 |
| 1960 | 34 |
| 1961 | 33 |
| 1962 | 43 |
| 1963 | 36 |
| 1964 | 62 |
| 1965 | 74 |
| 1966 | 57 |
| 1967 | 91 |
| 1968 | 75 |
| 1969 | 85 |
| 1970 | 78 |
| 1971 | 78 |
| 1972 | 87 |
| 1973 | 102 |
| 1974 | 93 |
| 1975 | 94 |
| 1976 | 107 |
| 1977 | 127 |
| 1978 | 129 |
| 1979 | 146 |
| 1980 | 140 |
| 1981 | 132 |
| 1982 | 189 |
| 1983 | 181 |
| 1984 | 156 |
| 1985 | 176 |
| 1986 | 201 |
| 1987 | 203 |
| 1988 | 193 |
| 1989 | 208 |
| 1990 | 230 |
| 1991 | 214 |
| 1992 | 227 |
| 1993 | 254 |
| 1994 | 224 |
| 1995 | 246 |
| 1996 | 232 |
| 1997 | 250 |
| 1998 | 247 |
| 1999 | 259 |
| 2000 | 322 |
| 2001 | 279 |
| 2002 | 319 |
| 2003 | 284 |
| 2004 | 367 |
| 2005 | 360 |
| 2006 | 428 |
| 2007 | 417 |
| 2008 | 409 |
| 2009 | 509 |
| 2010 | 546 |
| 2011 | 552 |
| 2012 | 617 |
| 2013 | 615 |
| 2014 | 591 |
| 2015 | 628 |
| 2016 | 609 |
| 2017 | 694 |
| 2018 | 606 |
| 2019 | 625 |
| 2020 | 678 |
| 2021 | 730 |
| 2022 | 54 |