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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1874 | 1 |
| 1878 | 1 |
| 1882 | 1 |
| 1890 | 1 |
| 1897 | 1 |
| 1899 | 1 |
| 1910 | 1 |
| 1915 | 1 |
| 1916 | 1 |
| 1920 | 3 |
| 1922 | 1 |
| 1927 | 1 |
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 1 |
| 1931 | 2 |
| 1934 | 1 |
| 1935 | 3 |
| 1937 | 1 |
| 1938 | 1 |
| 1941 | 2 |
| 1943 | 1 |
| 1944 | 2 |
| 1946 | 10 |
| 1947 | 5 |
| 1948 | 6 |
| 1949 | 6 |
| 1950 | 4 |
| 1951 | 7 |
| 1952 | 13 |
| 1953 | 10 |
| 1954 | 5 |
| 1955 | 9 |
| 1956 | 10 |
| 1957 | 13 |
| 1958 | 6 |
| 1959 | 16 |
| 1960 | 12 |
| 1961 | 9 |
| 1962 | 5 |
| 1963 | 6 |
| 1964 | 7 |
| 1965 | 5 |
| 1966 | 7 |
| 1967 | 8 |
| 1968 | 3 |
| 1969 | 17 |
| 1970 | 16 |
| 1971 | 16 |
| 1972 | 18 |
| 1973 | 12 |
| 1974 | 16 |
| 1975 | 14 |
| 1976 | 16 |
| 1977 | 17 |
| 1978 | 14 |
| 1979 | 24 |
| 1980 | 19 |
| 1981 | 19 |
| 1982 | 37 |
| 1983 | 23 |
| 1984 | 45 |
| 1985 | 29 |
| 1986 | 37 |
| 1987 | 39 |
| 1988 | 33 |
| 1989 | 44 |
| 1990 | 53 |
| 1991 | 59 |
| 1992 | 41 |
| 1993 | 68 |
| 1994 | 72 |
| 1995 | 68 |
| 1996 | 69 |
| 1997 | 81 |
| 1998 | 77 |
| 1999 | 101 |
| 2000 | 124 |
| 2001 | 100 |
| 2002 | 85 |
| 2003 | 86 |
| 2004 | 90 |
| 2005 | 109 |
| 2006 | 101 |
| 2007 | 131 |
| 2008 | 128 |
| 2009 | 159 |
| 2010 | 194 |
| 2011 | 233 |
| 2012 | 207 |
| 2013 | 231 |
| 2014 | 212 |
| 2015 | 237 |
| 2016 | 242 |
| 2017 | 259 |
| 2018 | 281 |
| 2019 | 289 |
| 2020 | 351 |
| 2021 | 353 |
| 2022 | 344 |
| 2023 | 348 |
| 2024 | 240 |