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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1870 | 1 |
| 1875 | 1 |
| 1877 | 1 |
| 1885 | 1 |
| 1888 | 1 |
| 1889 | 1 |
| 1893 | 1 |
| 1894 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 2 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 2 |
| 1903 | 1 |
| 1905 | 1 |
| 1916 | 1 |
| 1919 | 1 |
| 1920 | 2 |
| 1922 | 1 |
| 1924 | 3 |
| 1925 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1931 | 1 |
| 1944 | 1 |
| 1951 | 1 |
| 1957 | 1 |
| 1958 | 3 |
| 1959 | 3 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 4 |
| 1963 | 5 |
| 1964 | 4 |
| 1965 | 9 |
| 1966 | 6 |
| 1967 | 7 |
| 1968 | 10 |
| 1969 | 15 |
| 1970 | 13 |
| 1971 | 25 |
| 1972 | 14 |
| 1973 | 10 |
| 1974 | 9 |
| 1975 | 12 |
| 1976 | 22 |
| 1977 | 17 |
| 1978 | 26 |
| 1979 | 28 |
| 1980 | 24 |
| 1981 | 18 |
| 1982 | 31 |
| 1983 | 47 |
| 1984 | 49 |
| 1985 | 62 |
| 1986 | 34 |
| 1987 | 60 |
| 1988 | 51 |
| 1989 | 80 |
| 1990 | 67 |
| 1991 | 94 |
| 1992 | 90 |
| 1993 | 84 |
| 1994 | 110 |
| 1995 | 132 |
| 1996 | 126 |
| 1997 | 130 |
| 1998 | 183 |
| 1999 | 236 |
| 2000 | 226 |
| 2001 | 249 |
| 2002 | 277 |
| 2003 | 357 |
| 2004 | 417 |
| 2005 | 510 |
| 2006 | 532 |
| 2007 | 608 |
| 2008 | 761 |
| 2009 | 807 |
| 2010 | 952 |
| 2011 | 1078 |
| 2012 | 1179 |
| 2013 | 1187 |
| 2014 | 1292 |
| 2015 | 1386 |
| 2016 | 1379 |
| 2017 | 1414 |
| 2018 | 1467 |
| 2019 | 1527 |
| 2020 | 1633 |
| 2021 | 1616 |
| 2022 | 1547 |
| 2023 | 1508 |
| 2024 | 1477 |
| 2025 | 1201 |
| 2026 | 1 |