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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1857 | 1 |
| 1873 | 1 |
| 1896 | 1 |
| 1906 | 1 |
| 1933 | 1 |
| 1942 | 1 |
| 1945 | 4 |
| 1946 | 3 |
| 1947 | 11 |
| 1948 | 5 |
| 1949 | 9 |
| 1950 | 10 |
| 1951 | 27 |
| 1952 | 42 |
| 1953 | 41 |
| 1954 | 36 |
| 1955 | 41 |
| 1956 | 41 |
| 1957 | 22 |
| 1958 | 35 |
| 1959 | 19 |
| 1960 | 23 |
| 1961 | 24 |
| 1962 | 22 |
| 1963 | 19 |
| 1964 | 24 |
| 1965 | 39 |
| 1966 | 31 |
| 1967 | 20 |
| 1968 | 21 |
| 1969 | 32 |
| 1970 | 36 |
| 1971 | 28 |
| 1972 | 15 |
| 1973 | 22 |
| 1974 | 33 |
| 1975 | 49 |
| 1976 | 40 |
| 1977 | 46 |
| 1978 | 50 |
| 1979 | 55 |
| 1980 | 49 |
| 1981 | 61 |
| 1982 | 64 |
| 1983 | 61 |
| 1984 | 88 |
| 1985 | 100 |
| 1986 | 129 |
| 1987 | 125 |
| 1988 | 134 |
| 1989 | 138 |
| 1990 | 172 |
| 1991 | 150 |
| 1992 | 148 |
| 1993 | 171 |
| 1994 | 180 |
| 1995 | 180 |
| 1996 | 204 |
| 1997 | 205 |
| 1998 | 211 |
| 1999 | 234 |
| 2000 | 265 |
| 2001 | 280 |
| 2002 | 334 |
| 2003 | 366 |
| 2004 | 393 |
| 2005 | 412 |
| 2006 | 514 |
| 2007 | 594 |
| 2008 | 623 |
| 2009 | 692 |
| 2010 | 760 |
| 2011 | 783 |
| 2012 | 923 |
| 2013 | 986 |
| 2014 | 1101 |
| 2015 | 1230 |
| 2016 | 1356 |
| 2017 | 1325 |
| 2018 | 1363 |
| 2019 | 1334 |
| 2020 | 1624 |
| 2021 | 1826 |
| 2022 | 1718 |
| 2023 | 1794 |
| 2024 | 624 |