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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1846 | 1 |
| 1847 | 1 |
| 1893 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1908 | 1 |
| 1909 | 1 |
| 1915 | 2 |
| 1919 | 1 |
| 1921 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1936 | 1 |
| 1938 | 1 |
| 1946 | 3 |
| 1947 | 3 |
| 1948 | 7 |
| 1949 | 6 |
| 1950 | 7 |
| 1951 | 11 |
| 1952 | 14 |
| 1953 | 11 |
| 1954 | 21 |
| 1955 | 22 |
| 1956 | 17 |
| 1957 | 14 |
| 1958 | 9 |
| 1959 | 8 |
| 1960 | 8 |
| 1961 | 13 |
| 1962 | 17 |
| 1963 | 17 |
| 1964 | 24 |
| 1965 | 17 |
| 1966 | 36 |
| 1967 | 36 |
| 1968 | 40 |
| 1969 | 30 |
| 1970 | 58 |
| 1971 | 37 |
| 1972 | 54 |
| 1973 | 61 |
| 1974 | 71 |
| 1975 | 59 |
| 1976 | 55 |
| 1977 | 66 |
| 1978 | 60 |
| 1979 | 64 |
| 1980 | 79 |
| 1981 | 72 |
| 1982 | 76 |
| 1983 | 70 |
| 1984 | 70 |
| 1985 | 75 |
| 1986 | 69 |
| 1987 | 85 |
| 1988 | 111 |
| 1989 | 99 |
| 1990 | 83 |
| 1991 | 114 |
| 1992 | 92 |
| 1993 | 82 |
| 1994 | 86 |
| 1995 | 69 |
| 1996 | 89 |
| 1997 | 110 |
| 1998 | 86 |
| 1999 | 105 |
| 2000 | 108 |
| 2001 | 112 |
| 2002 | 90 |
| 2003 | 128 |
| 2004 | 127 |
| 2005 | 142 |
| 2006 | 199 |
| 2007 | 216 |
| 2008 | 206 |
| 2009 | 226 |
| 2010 | 224 |
| 2011 | 246 |
| 2012 | 308 |
| 2013 | 332 |
| 2014 | 332 |
| 2015 | 353 |
| 2016 | 361 |
| 2017 | 347 |
| 2018 | 376 |
| 2019 | 355 |
| 2020 | 357 |
| 2021 | 426 |
| 2022 | 419 |
| 2023 | 360 |
| 2024 | 151 |