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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 1 |
| 1849 | 3 |
| 1850 | 3 |
| 1851 | 1 |
| 1852 | 1 |
| 1856 | 1 |
| 1858 | 1 |
| 1871 | 1 |
| 1872 | 2 |
| 1877 | 2 |
| 1882 | 1 |
| 1883 | 1 |
| 1885 | 1 |
| 1886 | 1 |
| 1887 | 3 |
| 1888 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1896 | 2 |
| 1897 | 2 |
| 1899 | 1 |
| 1900 | 1 |
| 1902 | 2 |
| 1903 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1907 | 2 |
| 1908 | 1 |
| 1910 | 2 |
| 1911 | 3 |
| 1912 | 1 |
| 1913 | 1 |
| 1914 | 3 |
| 1916 | 1 |
| 1917 | 1 |
| 1920 | 2 |
| 1923 | 1 |
| 1927 | 3 |
| 1928 | 2 |
| 1929 | 3 |
| 1931 | 2 |
| 1933 | 2 |
| 1934 | 2 |
| 1935 | 5 |
| 1937 | 1 |
| 1938 | 2 |
| 1939 | 1 |
| 1940 | 1 |
| 1941 | 1 |
| 1942 | 2 |
| 1943 | 2 |
| 1944 | 2 |
| 1945 | 2 |
| 1946 | 12 |
| 1947 | 18 |
| 1948 | 20 |
| 1949 | 28 |
| 1950 | 20 |
| 1951 | 29 |
| 1952 | 30 |
| 1953 | 24 |
| 1954 | 28 |
| 1955 | 27 |
| 1956 | 21 |
| 1957 | 17 |
| 1958 | 30 |
| 1959 | 22 |
| 1960 | 19 |
| 1961 | 34 |
| 1962 | 34 |
| 1963 | 40 |
| 1964 | 49 |
| 1965 | 50 |
| 1966 | 53 |
| 1967 | 66 |
| 1968 | 99 |
| 1969 | 89 |
| 1970 | 86 |
| 1971 | 73 |
| 1972 | 114 |
| 1973 | 126 |
| 1974 | 134 |
| 1975 | 110 |
| 1976 | 125 |
| 1977 | 150 |
| 1978 | 158 |
| 1979 | 196 |
| 1980 | 184 |
| 1981 | 186 |
| 1982 | 200 |
| 1983 | 193 |
| 1984 | 227 |
| 1985 | 221 |
| 1986 | 271 |
| 1987 | 282 |
| 1988 | 276 |
| 1989 | 305 |
| 1990 | 288 |
| 1991 | 333 |
| 1992 | 331 |
| 1993 | 354 |
| 1994 | 358 |
| 1995 | 336 |
| 1996 | 313 |
| 1997 | 331 |
| 1998 | 345 |
| 1999 | 342 |
| 2000 | 387 |
| 2001 | 437 |
| 2002 | 427 |
| 2003 | 433 |
| 2004 | 502 |
| 2005 | 509 |
| 2006 | 559 |
| 2007 | 609 |
| 2008 | 669 |
| 2009 | 750 |
| 2010 | 784 |
| 2011 | 951 |
| 2012 | 995 |
| 2013 | 994 |
| 2014 | 1041 |
| 2015 | 1020 |
| 2016 | 1026 |
| 2017 | 1051 |
| 2018 | 1088 |
| 2019 | 1060 |
| 2020 | 1242 |
| 2021 | 1417 |
| 2022 | 1433 |
| 2023 | 1353 |
| 2024 | 1420 |
| 2025 | 1263 |
| 2026 | 2 |