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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1847 | 1 |
| 1864 | 1 |
| 1867 | 1 |
| 1871 | 1 |
| 1874 | 1 |
| 1880 | 1 |
| 1885 | 1 |
| 1889 | 1 |
| 1894 | 1 |
| 1896 | 1 |
| 1905 | 2 |
| 1908 | 1 |
| 1910 | 1 |
| 1928 | 1 |
| 1932 | 2 |
| 1939 | 2 |
| 1941 | 1 |
| 1945 | 8 |
| 1946 | 7 |
| 1947 | 28 |
| 1948 | 38 |
| 1949 | 36 |
| 1950 | 44 |
| 1951 | 50 |
| 1952 | 45 |
| 1953 | 75 |
| 1954 | 59 |
| 1955 | 70 |
| 1956 | 77 |
| 1957 | 81 |
| 1958 | 66 |
| 1959 | 66 |
| 1960 | 87 |
| 1961 | 80 |
| 1962 | 81 |
| 1963 | 60 |
| 1964 | 105 |
| 1965 | 84 |
| 1966 | 93 |
| 1967 | 110 |
| 1968 | 146 |
| 1969 | 163 |
| 1970 | 121 |
| 1971 | 143 |
| 1972 | 127 |
| 1973 | 128 |
| 1974 | 102 |
| 1975 | 137 |
| 1976 | 146 |
| 1977 | 174 |
| 1978 | 152 |
| 1979 | 219 |
| 1980 | 165 |
| 1981 | 193 |
| 1982 | 198 |
| 1983 | 211 |
| 1984 | 217 |
| 1985 | 227 |
| 1986 | 255 |
| 1987 | 287 |
| 1988 | 340 |
| 1989 | 388 |
| 1990 | 381 |
| 1991 | 408 |
| 1992 | 419 |
| 1993 | 432 |
| 1994 | 446 |
| 1995 | 445 |
| 1996 | 471 |
| 1997 | 474 |
| 1998 | 485 |
| 1999 | 554 |
| 2000 | 666 |
| 2001 | 768 |
| 2002 | 730 |
| 2003 | 903 |
| 2004 | 973 |
| 2005 | 1037 |
| 2006 | 1175 |
| 2007 | 1145 |
| 2008 | 1211 |
| 2009 | 1350 |
| 2010 | 1463 |
| 2011 | 1626 |
| 2012 | 1762 |
| 2013 | 2005 |
| 2014 | 2311 |
| 2015 | 2807 |
| 2016 | 2835 |
| 2017 | 2883 |
| 2018 | 2956 |
| 2019 | 3027 |
| 2020 | 3369 |
| 2021 | 3643 |
| 2022 | 3338 |
| 2023 | 3127 |
| 2024 | 3313 |
| 2025 | 3338 |
| 2026 | 14 |