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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1878 | 3 |
| 1905 | 1 |
| 1906 | 1 |
| 1908 | 1 |
| 1911 | 1 |
| 1915 | 1 |
| 1916 | 3 |
| 1918 | 2 |
| 1921 | 1 |
| 1922 | 1 |
| 1924 | 1 |
| 1929 | 1 |
| 1931 | 2 |
| 1935 | 2 |
| 1936 | 5 |
| 1937 | 4 |
| 1938 | 1 |
| 1939 | 3 |
| 1940 | 1 |
| 1941 | 1 |
| 1945 | 3 |
| 1946 | 16 |
| 1947 | 12 |
| 1948 | 12 |
| 1949 | 16 |
| 1950 | 12 |
| 1951 | 19 |
| 1952 | 14 |
| 1953 | 23 |
| 1954 | 16 |
| 1955 | 22 |
| 1956 | 14 |
| 1957 | 19 |
| 1958 | 25 |
| 1959 | 24 |
| 1960 | 22 |
| 1961 | 24 |
| 1962 | 25 |
| 1963 | 38 |
| 1964 | 44 |
| 1965 | 41 |
| 1966 | 48 |
| 1967 | 52 |
| 1968 | 61 |
| 1969 | 62 |
| 1970 | 63 |
| 1971 | 76 |
| 1972 | 72 |
| 1973 | 85 |
| 1974 | 70 |
| 1975 | 74 |
| 1976 | 107 |
| 1977 | 73 |
| 1978 | 83 |
| 1979 | 81 |
| 1980 | 91 |
| 1981 | 101 |
| 1982 | 92 |
| 1983 | 97 |
| 1984 | 114 |
| 1985 | 134 |
| 1986 | 140 |
| 1987 | 147 |
| 1988 | 128 |
| 1989 | 134 |
| 1990 | 126 |
| 1991 | 117 |
| 1992 | 126 |
| 1993 | 132 |
| 1994 | 142 |
| 1995 | 141 |
| 1996 | 121 |
| 1997 | 138 |
| 1998 | 126 |
| 1999 | 142 |
| 2000 | 142 |
| 2001 | 170 |
| 2002 | 169 |
| 2003 | 186 |
| 2004 | 209 |
| 2005 | 253 |
| 2006 | 226 |
| 2007 | 261 |
| 2008 | 238 |
| 2009 | 217 |
| 2010 | 203 |
| 2011 | 253 |
| 2012 | 282 |
| 2013 | 287 |
| 2014 | 288 |
| 2015 | 287 |
| 2016 | 313 |
| 2017 | 293 |
| 2018 | 336 |
| 2019 | 276 |
| 2020 | 338 |
| 2021 | 361 |
| 2022 | 340 |
| 2023 | 322 |
| 2024 | 267 |