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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1868 | 1 |
| 1870 | 1 |
| 1871 | 1 |
| 1872 | 1 |
| 1874 | 1 |
| 1875 | 2 |
| 1877 | 1 |
| 1879 | 1 |
| 1885 | 1 |
| 1894 | 2 |
| 1914 | 1 |
| 1915 | 1 |
| 1917 | 1 |
| 1946 | 1 |
| 1947 | 1 |
| 1948 | 1 |
| 1950 | 3 |
| 1951 | 3 |
| 1952 | 2 |
| 1953 | 1 |
| 1954 | 2 |
| 1955 | 2 |
| 1956 | 1 |
| 1957 | 3 |
| 1958 | 7 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 3 |
| 1963 | 9 |
| 1964 | 5 |
| 1965 | 1 |
| 1966 | 4 |
| 1967 | 6 |
| 1968 | 14 |
| 1969 | 7 |
| 1970 | 10 |
| 1971 | 17 |
| 1972 | 28 |
| 1973 | 23 |
| 1974 | 21 |
| 1975 | 24 |
| 1976 | 37 |
| 1977 | 53 |
| 1978 | 47 |
| 1979 | 41 |
| 1980 | 36 |
| 1981 | 44 |
| 1982 | 68 |
| 1983 | 67 |
| 1984 | 77 |
| 1985 | 90 |
| 1986 | 88 |
| 1987 | 118 |
| 1988 | 116 |
| 1989 | 108 |
| 1990 | 145 |
| 1991 | 142 |
| 1992 | 109 |
| 1993 | 125 |
| 1994 | 136 |
| 1995 | 159 |
| 1996 | 154 |
| 1997 | 139 |
| 1998 | 152 |
| 1999 | 133 |
| 2000 | 161 |
| 2001 | 177 |
| 2002 | 204 |
| 2003 | 238 |
| 2004 | 233 |
| 2005 | 259 |
| 2006 | 280 |
| 2007 | 263 |
| 2008 | 315 |
| 2009 | 294 |
| 2010 | 328 |
| 2011 | 405 |
| 2012 | 365 |
| 2013 | 420 |
| 2014 | 447 |
| 2015 | 511 |
| 2016 | 537 |
| 2017 | 543 |
| 2018 | 468 |
| 2019 | 492 |
| 2020 | 565 |
| 2021 | 554 |
| 2022 | 527 |
| 2023 | 500 |
| 2024 | 349 |