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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1858 | 1 |
| 1860 | 2 |
| 1861 | 1 |
| 1870 | 1 |
| 1871 | 2 |
| 1872 | 1 |
| 1881 | 1 |
| 1888 | 2 |
| 1910 | 1 |
| 1911 | 1 |
| 1919 | 1 |
| 1920 | 1 |
| 1924 | 1 |
| 1926 | 1 |
| 1930 | 1 |
| 1935 | 2 |
| 1938 | 2 |
| 1939 | 2 |
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 5 |
| 1948 | 6 |
| 1949 | 7 |
| 1950 | 6 |
| 1951 | 7 |
| 1952 | 3 |
| 1953 | 10 |
| 1954 | 6 |
| 1955 | 5 |
| 1956 | 4 |
| 1957 | 11 |
| 1958 | 15 |
| 1959 | 14 |
| 1960 | 4 |
| 1961 | 10 |
| 1962 | 10 |
| 1963 | 11 |
| 1964 | 5 |
| 1965 | 11 |
| 1966 | 22 |
| 1967 | 22 |
| 1968 | 12 |
| 1969 | 22 |
| 1970 | 25 |
| 1971 | 29 |
| 1972 | 27 |
| 1973 | 37 |
| 1974 | 24 |
| 1975 | 28 |
| 1976 | 30 |
| 1977 | 38 |
| 1978 | 35 |
| 1979 | 37 |
| 1980 | 44 |
| 1981 | 41 |
| 1982 | 57 |
| 1983 | 65 |
| 1984 | 57 |
| 1985 | 75 |
| 1986 | 57 |
| 1987 | 80 |
| 1988 | 67 |
| 1989 | 70 |
| 1990 | 54 |
| 1991 | 86 |
| 1992 | 93 |
| 1993 | 102 |
| 1994 | 95 |
| 1995 | 102 |
| 1996 | 95 |
| 1997 | 94 |
| 1998 | 109 |
| 1999 | 159 |
| 2000 | 195 |
| 2001 | 211 |
| 2002 | 181 |
| 2003 | 216 |
| 2004 | 220 |
| 2005 | 252 |
| 2006 | 221 |
| 2007 | 229 |
| 2008 | 189 |
| 2009 | 211 |
| 2010 | 281 |
| 2011 | 320 |
| 2012 | 366 |
| 2013 | 369 |
| 2014 | 405 |
| 2015 | 362 |
| 2016 | 381 |
| 2017 | 374 |
| 2018 | 447 |
| 2019 | 466 |
| 2020 | 509 |
| 2021 | 524 |
| 2022 | 458 |
| 2023 | 429 |
| 2024 | 179 |