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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1851 | 1 |
| 1854 | 2 |
| 1855 | 1 |
| 1884 | 1 |
| 1890 | 1 |
| 1899 | 2 |
| 1905 | 3 |
| 1908 | 1 |
| 1915 | 1 |
| 1920 | 1 |
| 1926 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1930 | 1 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 1 |
| 1936 | 1 |
| 1937 | 4 |
| 1938 | 2 |
| 1939 | 2 |
| 1941 | 2 |
| 1942 | 4 |
| 1943 | 1 |
| 1944 | 3 |
| 1945 | 1 |
| 1946 | 17 |
| 1947 | 24 |
| 1948 | 16 |
| 1949 | 28 |
| 1950 | 33 |
| 1951 | 36 |
| 1952 | 42 |
| 1953 | 47 |
| 1954 | 49 |
| 1955 | 38 |
| 1956 | 47 |
| 1957 | 44 |
| 1958 | 45 |
| 1959 | 42 |
| 1960 | 53 |
| 1961 | 35 |
| 1962 | 55 |
| 1963 | 52 |
| 1964 | 78 |
| 1965 | 70 |
| 1966 | 70 |
| 1967 | 93 |
| 1968 | 100 |
| 1969 | 87 |
| 1970 | 112 |
| 1971 | 132 |
| 1972 | 104 |
| 1973 | 127 |
| 1974 | 115 |
| 1975 | 132 |
| 1976 | 132 |
| 1977 | 129 |
| 1978 | 147 |
| 1979 | 118 |
| 1980 | 125 |
| 1981 | 116 |
| 1982 | 125 |
| 1983 | 146 |
| 1984 | 122 |
| 1985 | 133 |
| 1986 | 130 |
| 1987 | 123 |
| 1988 | 154 |
| 1989 | 158 |
| 1990 | 163 |
| 1991 | 170 |
| 1992 | 175 |
| 1993 | 184 |
| 1994 | 168 |
| 1995 | 198 |
| 1996 | 233 |
| 1997 | 272 |
| 1998 | 249 |
| 1999 | 289 |
| 2000 | 312 |
| 2001 | 297 |
| 2002 | 287 |
| 2003 | 301 |
| 2004 | 311 |
| 2005 | 332 |
| 2006 | 404 |
| 2007 | 406 |
| 2008 | 480 |
| 2009 | 468 |
| 2010 | 489 |
| 2011 | 545 |
| 2012 | 589 |
| 2013 | 604 |
| 2014 | 621 |
| 2015 | 691 |
| 2016 | 664 |
| 2017 | 718 |
| 2018 | 696 |
| 2019 | 738 |
| 2020 | 802 |
| 2021 | 958 |
| 2022 | 841 |
| 2023 | 818 |
| 2024 | 800 |
| 2025 | 74 |