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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1855 | 1 |
| 1876 | 1 |
| 1879 | 1 |
| 1889 | 2 |
| 1891 | 1 |
| 1902 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1914 | 1 |
| 1917 | 1 |
| 1922 | 1 |
| 1923 | 1 |
| 1928 | 2 |
| 1929 | 1 |
| 1935 | 2 |
| 1937 | 1 |
| 1939 | 1 |
| 1941 | 1 |
| 1945 | 2 |
| 1946 | 1 |
| 1949 | 2 |
| 1950 | 1 |
| 1953 | 1 |
| 1958 | 1 |
| 1960 | 1 |
| 1962 | 2 |
| 1964 | 1 |
| 1966 | 4 |
| 1967 | 3 |
| 1968 | 4 |
| 1969 | 4 |
| 1970 | 4 |
| 1971 | 5 |
| 1972 | 6 |
| 1973 | 7 |
| 1974 | 8 |
| 1975 | 31 |
| 1976 | 30 |
| 1977 | 25 |
| 1978 | 27 |
| 1979 | 32 |
| 1980 | 36 |
| 1981 | 41 |
| 1982 | 47 |
| 1983 | 58 |
| 1984 | 69 |
| 1985 | 62 |
| 1986 | 56 |
| 1987 | 78 |
| 1988 | 84 |
| 1989 | 94 |
| 1990 | 96 |
| 1991 | 94 |
| 1992 | 122 |
| 1993 | 141 |
| 1994 | 146 |
| 1995 | 162 |
| 1996 | 146 |
| 1997 | 155 |
| 1998 | 197 |
| 1999 | 217 |
| 2000 | 227 |
| 2001 | 262 |
| 2002 | 243 |
| 2003 | 291 |
| 2004 | 324 |
| 2005 | 360 |
| 2006 | 412 |
| 2007 | 418 |
| 2008 | 477 |
| 2009 | 532 |
| 2010 | 644 |
| 2011 | 693 |
| 2012 | 766 |
| 2013 | 851 |
| 2014 | 914 |
| 2015 | 1061 |
| 2016 | 1153 |
| 2017 | 1072 |
| 2018 | 1140 |
| 2019 | 1211 |
| 2020 | 1394 |
| 2021 | 1679 |
| 2022 | 1665 |
| 2023 | 1516 |
| 2024 | 602 |