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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1852 | 1 |
| 1864 | 1 |
| 1889 | 3 |
| 1896 | 1 |
| 1910 | 1 |
| 1929 | 1 |
| 1931 | 3 |
| 1932 | 1 |
| 1933 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1942 | 1 |
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 6 |
| 1948 | 2 |
| 1949 | 1 |
| 1951 | 4 |
| 1952 | 1 |
| 1953 | 4 |
| 1954 | 4 |
| 1955 | 2 |
| 1956 | 4 |
| 1957 | 4 |
| 1958 | 9 |
| 1959 | 6 |
| 1960 | 12 |
| 1961 | 8 |
| 1962 | 8 |
| 1963 | 8 |
| 1964 | 5 |
| 1965 | 4 |
| 1966 | 7 |
| 1967 | 20 |
| 1968 | 12 |
| 1969 | 13 |
| 1970 | 19 |
| 1971 | 26 |
| 1972 | 18 |
| 1973 | 17 |
| 1974 | 24 |
| 1975 | 30 |
| 1976 | 26 |
| 1977 | 13 |
| 1978 | 26 |
| 1979 | 30 |
| 1980 | 25 |
| 1981 | 28 |
| 1982 | 23 |
| 1983 | 31 |
| 1984 | 31 |
| 1985 | 28 |
| 1986 | 35 |
| 1987 | 45 |
| 1988 | 48 |
| 1989 | 48 |
| 1990 | 46 |
| 1991 | 48 |
| 1992 | 47 |
| 1993 | 46 |
| 1994 | 50 |
| 1995 | 54 |
| 1996 | 71 |
| 1997 | 80 |
| 1998 | 58 |
| 1999 | 96 |
| 2000 | 95 |
| 2001 | 88 |
| 2002 | 95 |
| 2003 | 118 |
| 2004 | 122 |
| 2005 | 130 |
| 2006 | 129 |
| 2007 | 133 |
| 2008 | 139 |
| 2009 | 138 |
| 2010 | 169 |
| 2011 | 161 |
| 2012 | 162 |
| 2013 | 203 |
| 2014 | 190 |
| 2015 | 255 |
| 2016 | 240 |
| 2017 | 226 |
| 2018 | 257 |
| 2019 | 278 |
| 2020 | 335 |
| 2021 | 339 |
| 2022 | 323 |
| 2023 | 133 |