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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1878 | 2 |
| 1879 | 2 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1904 | 1 |
| 1908 | 1 |
| 1911 | 1 |
| 1913 | 1 |
| 1927 | 1 |
| 1946 | 6 |
| 1947 | 4 |
| 1948 | 3 |
| 1949 | 5 |
| 1950 | 3 |
| 1951 | 3 |
| 1952 | 5 |
| 1953 | 5 |
| 1954 | 6 |
| 1955 | 5 |
| 1956 | 1 |
| 1957 | 8 |
| 1958 | 7 |
| 1959 | 5 |
| 1960 | 6 |
| 1961 | 4 |
| 1962 | 3 |
| 1963 | 2 |
| 1964 | 5 |
| 1965 | 2 |
| 1966 | 4 |
| 1967 | 5 |
| 1968 | 12 |
| 1969 | 24 |
| 1970 | 17 |
| 1971 | 17 |
| 1972 | 19 |
| 1973 | 15 |
| 1974 | 14 |
| 1975 | 13 |
| 1976 | 23 |
| 1977 | 19 |
| 1978 | 19 |
| 1979 | 34 |
| 1980 | 33 |
| 1981 | 37 |
| 1982 | 34 |
| 1983 | 50 |
| 1984 | 41 |
| 1985 | 62 |
| 1986 | 60 |
| 1987 | 68 |
| 1988 | 70 |
| 1989 | 68 |
| 1990 | 80 |
| 1991 | 90 |
| 1992 | 78 |
| 1993 | 74 |
| 1994 | 89 |
| 1995 | 79 |
| 1996 | 87 |
| 1997 | 94 |
| 1998 | 77 |
| 1999 | 77 |
| 2000 | 113 |
| 2001 | 128 |
| 2002 | 135 |
| 2003 | 105 |
| 2004 | 144 |
| 2005 | 159 |
| 2006 | 161 |
| 2007 | 167 |
| 2008 | 176 |
| 2009 | 181 |
| 2010 | 203 |
| 2011 | 194 |
| 2012 | 205 |
| 2013 | 236 |
| 2014 | 246 |
| 2015 | 245 |
| 2016 | 247 |
| 2017 | 240 |
| 2018 | 253 |
| 2019 | 244 |
| 2020 | 281 |
| 2021 | 291 |
| 2022 | 286 |
| 2023 | 226 |