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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1867 | 1 |
| 1868 | 1 |
| 1872 | 2 |
| 1892 | 2 |
| 1900 | 3 |
| 1903 | 2 |
| 1906 | 1 |
| 1908 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1915 | 1 |
| 1917 | 1 |
| 1929 | 2 |
| 1930 | 5 |
| 1932 | 1 |
| 1933 | 2 |
| 1934 | 5 |
| 1935 | 1 |
| 1936 | 2 |
| 1937 | 2 |
| 1938 | 2 |
| 1941 | 1 |
| 1942 | 2 |
| 1943 | 2 |
| 1945 | 2 |
| 1946 | 25 |
| 1947 | 15 |
| 1948 | 10 |
| 1949 | 15 |
| 1950 | 19 |
| 1951 | 11 |
| 1952 | 24 |
| 1953 | 18 |
| 1954 | 25 |
| 1955 | 26 |
| 1956 | 20 |
| 1957 | 33 |
| 1958 | 27 |
| 1959 | 23 |
| 1960 | 16 |
| 1961 | 29 |
| 1962 | 20 |
| 1963 | 26 |
| 1964 | 56 |
| 1965 | 54 |
| 1966 | 53 |
| 1967 | 55 |
| 1968 | 76 |
| 1969 | 75 |
| 1970 | 63 |
| 1971 | 55 |
| 1972 | 59 |
| 1973 | 79 |
| 1974 | 79 |
| 1975 | 94 |
| 1976 | 97 |
| 1977 | 106 |
| 1978 | 131 |
| 1979 | 147 |
| 1980 | 154 |
| 1981 | 152 |
| 1982 | 155 |
| 1983 | 195 |
| 1984 | 194 |
| 1985 | 229 |
| 1986 | 219 |
| 1987 | 228 |
| 1988 | 232 |
| 1989 | 292 |
| 1990 | 303 |
| 1991 | 310 |
| 1992 | 303 |
| 1993 | 306 |
| 1994 | 342 |
| 1995 | 340 |
| 1996 | 360 |
| 1997 | 372 |
| 1998 | 380 |
| 1999 | 358 |
| 2000 | 381 |
| 2001 | 421 |
| 2002 | 404 |
| 2003 | 451 |
| 2004 | 471 |
| 2005 | 485 |
| 2006 | 550 |
| 2007 | 608 |
| 2008 | 654 |
| 2009 | 714 |
| 2010 | 828 |
| 2011 | 886 |
| 2012 | 979 |
| 2013 | 1199 |
| 2014 | 1215 |
| 2015 | 1326 |
| 2016 | 1246 |
| 2017 | 1177 |
| 2018 | 1150 |
| 2019 | 1178 |
| 2020 | 1340 |
| 2021 | 1448 |
| 2022 | 1310 |
| 2023 | 1282 |
| 2024 | 1286 |
| 2025 | 856 |