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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1806 | 5 |
| 1807 | 1 |
| 1808 | 1 |
| 1849 | 1 |
| 1881 | 1 |
| 1882 | 1 |
| 1889 | 1 |
| 1890 | 2 |
| 1892 | 1 |
| 1898 | 1 |
| 1903 | 1 |
| 1906 | 1 |
| 1907 | 1 |
| 1913 | 1 |
| 1915 | 1 |
| 1919 | 1 |
| 1920 | 2 |
| 1928 | 1 |
| 1929 | 1 |
| 1930 | 1 |
| 1932 | 3 |
| 1933 | 2 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 1 |
| 1937 | 1 |
| 1939 | 3 |
| 1942 | 5 |
| 1945 | 2 |
| 1946 | 21 |
| 1947 | 24 |
| 1948 | 26 |
| 1949 | 18 |
| 1950 | 22 |
| 1951 | 22 |
| 1952 | 25 |
| 1953 | 24 |
| 1954 | 24 |
| 1955 | 32 |
| 1956 | 23 |
| 1957 | 16 |
| 1958 | 31 |
| 1959 | 32 |
| 1960 | 41 |
| 1961 | 36 |
| 1962 | 30 |
| 1963 | 30 |
| 1964 | 42 |
| 1965 | 36 |
| 1966 | 51 |
| 1967 | 57 |
| 1968 | 48 |
| 1969 | 64 |
| 1970 | 61 |
| 1971 | 65 |
| 1972 | 56 |
| 1973 | 62 |
| 1974 | 77 |
| 1975 | 81 |
| 1976 | 71 |
| 1977 | 96 |
| 1978 | 92 |
| 1979 | 89 |
| 1980 | 96 |
| 1981 | 124 |
| 1982 | 115 |
| 1983 | 121 |
| 1984 | 140 |
| 1985 | 151 |
| 1986 | 167 |
| 1987 | 176 |
| 1988 | 197 |
| 1989 | 222 |
| 1990 | 248 |
| 1991 | 229 |
| 1992 | 232 |
| 1993 | 240 |
| 1994 | 252 |
| 1995 | 290 |
| 1996 | 271 |
| 1997 | 262 |
| 1998 | 279 |
| 1999 | 294 |
| 2000 | 273 |
| 2001 | 305 |
| 2002 | 334 |
| 2003 | 371 |
| 2004 | 448 |
| 2005 | 460 |
| 2006 | 431 |
| 2007 | 447 |
| 2008 | 524 |
| 2009 | 542 |
| 2010 | 560 |
| 2011 | 563 |
| 2012 | 608 |
| 2013 | 721 |
| 2014 | 822 |
| 2015 | 818 |
| 2016 | 808 |
| 2017 | 812 |
| 2018 | 837 |
| 2019 | 931 |
| 2020 | 1009 |
| 2021 | 1191 |
| 2022 | 1045 |
| 2023 | 969 |
| 2024 | 1020 |
| 2025 | 817 |
| 2026 | 1 |