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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1867 | 1 |
| 1879 | 1 |
| 1888 | 1 |
| 1903 | 1 |
| 1907 | 1 |
| 1928 | 2 |
| 1937 | 1 |
| 1941 | 1 |
| 1948 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1953 | 1 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 2 |
| 1963 | 2 |
| 1964 | 3 |
| 1965 | 4 |
| 1966 | 1 |
| 1967 | 2 |
| 1968 | 5 |
| 1969 | 2 |
| 1970 | 2 |
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 4 |
| 1974 | 6 |
| 1975 | 20 |
| 1976 | 23 |
| 1977 | 31 |
| 1978 | 41 |
| 1979 | 47 |
| 1980 | 51 |
| 1981 | 51 |
| 1982 | 67 |
| 1983 | 70 |
| 1984 | 65 |
| 1985 | 84 |
| 1986 | 63 |
| 1987 | 74 |
| 1988 | 92 |
| 1989 | 105 |
| 1990 | 112 |
| 1991 | 100 |
| 1992 | 96 |
| 1993 | 96 |
| 1994 | 110 |
| 1995 | 77 |
| 1996 | 107 |
| 1997 | 115 |
| 1998 | 112 |
| 1999 | 111 |
| 2000 | 106 |
| 2001 | 116 |
| 2002 | 108 |
| 2003 | 137 |
| 2004 | 126 |
| 2005 | 156 |
| 2006 | 155 |
| 2007 | 168 |
| 2008 | 195 |
| 2009 | 147 |
| 2010 | 201 |
| 2011 | 229 |
| 2012 | 214 |
| 2013 | 233 |
| 2014 | 246 |
| 2015 | 232 |
| 2016 | 250 |
| 2017 | 232 |
| 2018 | 251 |
| 2019 | 262 |
| 2020 | 342 |
| 2021 | 421 |
| 2022 | 408 |
| 2023 | 366 |
| 2024 | 143 |