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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1806 | 1 |
| 1847 | 1 |
| 1851 | 1 |
| 1868 | 2 |
| 1870 | 1 |
| 1871 | 1 |
| 1872 | 1 |
| 1883 | 3 |
| 1888 | 1 |
| 1910 | 1 |
| 1911 | 2 |
| 1929 | 2 |
| 1930 | 2 |
| 1931 | 1 |
| 1937 | 1 |
| 1939 | 1 |
| 1942 | 2 |
| 1945 | 2 |
| 1946 | 9 |
| 1947 | 6 |
| 1948 | 5 |
| 1949 | 5 |
| 1950 | 8 |
| 1951 | 7 |
| 1952 | 10 |
| 1953 | 9 |
| 1954 | 7 |
| 1955 | 22 |
| 1956 | 14 |
| 1957 | 25 |
| 1958 | 18 |
| 1959 | 29 |
| 1960 | 16 |
| 1961 | 16 |
| 1962 | 32 |
| 1963 | 30 |
| 1964 | 33 |
| 1965 | 43 |
| 1966 | 57 |
| 1967 | 46 |
| 1968 | 62 |
| 1969 | 58 |
| 1970 | 59 |
| 1971 | 65 |
| 1972 | 72 |
| 1973 | 90 |
| 1974 | 82 |
| 1975 | 85 |
| 1976 | 85 |
| 1977 | 78 |
| 1978 | 104 |
| 1979 | 116 |
| 1980 | 118 |
| 1981 | 101 |
| 1982 | 116 |
| 1983 | 118 |
| 1984 | 119 |
| 1985 | 147 |
| 1986 | 134 |
| 1987 | 157 |
| 1988 | 158 |
| 1989 | 163 |
| 1990 | 166 |
| 1991 | 161 |
| 1992 | 210 |
| 1993 | 225 |
| 1994 | 233 |
| 1995 | 226 |
| 1996 | 241 |
| 1997 | 225 |
| 1998 | 225 |
| 1999 | 221 |
| 2000 | 251 |
| 2001 | 269 |
| 2002 | 237 |
| 2003 | 299 |
| 2004 | 318 |
| 2005 | 294 |
| 2006 | 339 |
| 2007 | 350 |
| 2008 | 396 |
| 2009 | 395 |
| 2010 | 384 |
| 2011 | 392 |
| 2012 | 395 |
| 2013 | 429 |
| 2014 | 387 |
| 2015 | 395 |
| 2016 | 373 |
| 2017 | 390 |
| 2018 | 418 |
| 2019 | 417 |
| 2020 | 440 |
| 2021 | 471 |
| 2022 | 403 |
| 2023 | 402 |
| 2024 | 156 |