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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1866 | 1 |
| 1901 | 1 |
| 1907 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1916 | 1 |
| 1921 | 1 |
| 1922 | 1 |
| 1923 | 1 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 2 |
| 1944 | 1 |
| 1945 | 5 |
| 1946 | 4 |
| 1947 | 5 |
| 1948 | 3 |
| 1949 | 5 |
| 1950 | 12 |
| 1951 | 12 |
| 1952 | 9 |
| 1953 | 13 |
| 1954 | 12 |
| 1955 | 10 |
| 1956 | 7 |
| 1957 | 11 |
| 1958 | 12 |
| 1959 | 8 |
| 1960 | 12 |
| 1961 | 12 |
| 1962 | 10 |
| 1963 | 10 |
| 1964 | 19 |
| 1965 | 14 |
| 1966 | 21 |
| 1967 | 24 |
| 1968 | 33 |
| 1969 | 25 |
| 1970 | 39 |
| 1971 | 37 |
| 1972 | 34 |
| 1973 | 50 |
| 1974 | 52 |
| 1975 | 65 |
| 1976 | 71 |
| 1977 | 64 |
| 1978 | 100 |
| 1979 | 75 |
| 1980 | 91 |
| 1981 | 86 |
| 1982 | 99 |
| 1983 | 94 |
| 1984 | 110 |
| 1985 | 126 |
| 1986 | 139 |
| 1987 | 146 |
| 1988 | 169 |
| 1989 | 174 |
| 1990 | 186 |
| 1991 | 178 |
| 1992 | 175 |
| 1993 | 180 |
| 1994 | 188 |
| 1995 | 215 |
| 1996 | 233 |
| 1997 | 287 |
| 1998 | 308 |
| 1999 | 334 |
| 2000 | 380 |
| 2001 | 420 |
| 2002 | 504 |
| 2003 | 557 |
| 2004 | 707 |
| 2005 | 775 |
| 2006 | 933 |
| 2007 | 1073 |
| 2008 | 1251 |
| 2009 | 1466 |
| 2010 | 1666 |
| 2011 | 1895 |
| 2012 | 2172 |
| 2013 | 2294 |
| 2014 | 2409 |
| 2015 | 2609 |
| 2016 | 2751 |
| 2017 | 3070 |
| 2018 | 3383 |
| 2019 | 3428 |
| 2020 | 4210 |
| 2021 | 4528 |
| 2022 | 4182 |
| 2023 | 1073 |