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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1844 | 1 |
| 1891 | 1 |
| 1892 | 1 |
| 1893 | 2 |
| 1895 | 1 |
| 1931 | 1 |
| 1937 | 1 |
| 1943 | 1 |
| 1945 | 4 |
| 1946 | 6 |
| 1947 | 17 |
| 1948 | 7 |
| 1949 | 16 |
| 1950 | 30 |
| 1951 | 10 |
| 1952 | 26 |
| 1953 | 24 |
| 1954 | 17 |
| 1955 | 15 |
| 1956 | 15 |
| 1957 | 14 |
| 1958 | 12 |
| 1959 | 9 |
| 1960 | 11 |
| 1961 | 17 |
| 1962 | 16 |
| 1963 | 7 |
| 1964 | 18 |
| 1965 | 20 |
| 1966 | 13 |
| 1967 | 22 |
| 1968 | 24 |
| 1969 | 17 |
| 1970 | 21 |
| 1971 | 7 |
| 1972 | 12 |
| 1973 | 34 |
| 1974 | 26 |
| 1975 | 48 |
| 1976 | 27 |
| 1977 | 37 |
| 1978 | 43 |
| 1979 | 32 |
| 1980 | 51 |
| 1981 | 56 |
| 1982 | 54 |
| 1983 | 38 |
| 1984 | 45 |
| 1985 | 53 |
| 1986 | 59 |
| 1987 | 78 |
| 1988 | 109 |
| 1989 | 109 |
| 1990 | 145 |
| 1991 | 154 |
| 1992 | 159 |
| 1993 | 156 |
| 1994 | 147 |
| 1995 | 166 |
| 1996 | 149 |
| 1997 | 151 |
| 1998 | 150 |
| 1999 | 180 |
| 2000 | 175 |
| 2001 | 208 |
| 2002 | 186 |
| 2003 | 214 |
| 2004 | 277 |
| 2005 | 316 |
| 2006 | 340 |
| 2007 | 373 |
| 2008 | 445 |
| 2009 | 464 |
| 2010 | 492 |
| 2011 | 545 |
| 2012 | 586 |
| 2013 | 640 |
| 2014 | 845 |
| 2015 | 1007 |
| 2016 | 1079 |
| 2017 | 1198 |
| 2018 | 1300 |
| 2019 | 1441 |
| 2020 | 1974 |
| 2021 | 2002 |
| 2022 | 1950 |
| 2023 | 1880 |
| 2024 | 619 |