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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1872 | 1 |
| 1902 | 1 |
| 1928 | 2 |
| 1929 | 3 |
| 1930 | 1 |
| 1931 | 1 |
| 1932 | 4 |
| 1933 | 3 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 5 |
| 1937 | 1 |
| 1938 | 7 |
| 1939 | 1 |
| 1940 | 1 |
| 1941 | 3 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 8 |
| 1948 | 11 |
| 1949 | 8 |
| 1950 | 22 |
| 1951 | 29 |
| 1952 | 24 |
| 1953 | 37 |
| 1954 | 32 |
| 1955 | 30 |
| 1956 | 27 |
| 1957 | 22 |
| 1958 | 20 |
| 1959 | 26 |
| 1960 | 25 |
| 1961 | 25 |
| 1962 | 12 |
| 1963 | 25 |
| 1964 | 31 |
| 1965 | 32 |
| 1966 | 37 |
| 1967 | 40 |
| 1968 | 44 |
| 1969 | 56 |
| 1970 | 43 |
| 1971 | 38 |
| 1972 | 50 |
| 1973 | 67 |
| 1974 | 44 |
| 1975 | 68 |
| 1976 | 69 |
| 1977 | 66 |
| 1978 | 52 |
| 1979 | 56 |
| 1980 | 73 |
| 1981 | 73 |
| 1982 | 102 |
| 1983 | 72 |
| 1984 | 79 |
| 1985 | 104 |
| 1986 | 83 |
| 1987 | 108 |
| 1988 | 117 |
| 1989 | 129 |
| 1990 | 131 |
| 1991 | 130 |
| 1992 | 131 |
| 1993 | 137 |
| 1994 | 145 |
| 1995 | 139 |
| 1996 | 160 |
| 1997 | 163 |
| 1998 | 177 |
| 1999 | 188 |
| 2000 | 198 |
| 2001 | 186 |
| 2002 | 239 |
| 2003 | 263 |
| 2004 | 252 |
| 2005 | 252 |
| 2006 | 266 |
| 2007 | 279 |
| 2008 | 289 |
| 2009 | 294 |
| 2010 | 336 |
| 2011 | 379 |
| 2012 | 352 |
| 2013 | 407 |
| 2014 | 417 |
| 2015 | 455 |
| 2016 | 504 |
| 2017 | 556 |
| 2018 | 602 |
| 2019 | 652 |
| 2020 | 946 |
| 2021 | 1228 |
| 2022 | 1197 |
| 2023 | 1191 |
| 2024 | 421 |