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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1853 | 1 |
| 1893 | 1 |
| 1902 | 1 |
| 1914 | 1 |
| 1918 | 1 |
| 1922 | 1 |
| 1930 | 1 |
| 1933 | 1 |
| 1936 | 1 |
| 1945 | 2 |
| 1946 | 3 |
| 1947 | 12 |
| 1948 | 5 |
| 1949 | 7 |
| 1950 | 11 |
| 1951 | 11 |
| 1952 | 12 |
| 1953 | 16 |
| 1954 | 10 |
| 1955 | 6 |
| 1956 | 4 |
| 1957 | 8 |
| 1958 | 8 |
| 1959 | 14 |
| 1960 | 9 |
| 1961 | 11 |
| 1962 | 11 |
| 1963 | 14 |
| 1964 | 19 |
| 1965 | 21 |
| 1966 | 27 |
| 1967 | 24 |
| 1968 | 23 |
| 1969 | 35 |
| 1970 | 34 |
| 1971 | 25 |
| 1972 | 36 |
| 1973 | 47 |
| 1974 | 41 |
| 1975 | 56 |
| 1976 | 61 |
| 1977 | 80 |
| 1978 | 73 |
| 1979 | 70 |
| 1980 | 70 |
| 1981 | 58 |
| 1982 | 66 |
| 1983 | 67 |
| 1984 | 74 |
| 1985 | 82 |
| 1986 | 88 |
| 1987 | 88 |
| 1988 | 89 |
| 1989 | 97 |
| 1990 | 113 |
| 1991 | 100 |
| 1992 | 127 |
| 1993 | 139 |
| 1994 | 158 |
| 1995 | 149 |
| 1996 | 145 |
| 1997 | 137 |
| 1998 | 155 |
| 1999 | 160 |
| 2000 | 163 |
| 2001 | 188 |
| 2002 | 195 |
| 2003 | 209 |
| 2004 | 191 |
| 2005 | 237 |
| 2006 | 231 |
| 2007 | 244 |
| 2008 | 289 |
| 2009 | 321 |
| 2010 | 324 |
| 2011 | 274 |
| 2012 | 310 |
| 2013 | 369 |
| 2014 | 378 |
| 2015 | 392 |
| 2016 | 379 |
| 2017 | 369 |
| 2018 | 349 |
| 2019 | 367 |
| 2020 | 527 |
| 2021 | 446 |
| 2022 | 421 |
| 2023 | 383 |
| 2024 | 384 |