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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1850 | 1 |
| 1882 | 1 |
| 1890 | 1 |
| 1916 | 1 |
| 1918 | 1 |
| 1922 | 1 |
| 1929 | 3 |
| 1931 | 1 |
| 1932 | 1 |
| 1939 | 1 |
| 1941 | 2 |
| 1942 | 1 |
| 1945 | 1 |
| 1948 | 6 |
| 1950 | 4 |
| 1951 | 2 |
| 1952 | 7 |
| 1953 | 2 |
| 1954 | 3 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 3 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 3 |
| 1963 | 2 |
| 1964 | 13 |
| 1965 | 3 |
| 1966 | 6 |
| 1967 | 11 |
| 1968 | 6 |
| 1969 | 5 |
| 1970 | 16 |
| 1971 | 9 |
| 1972 | 22 |
| 1973 | 26 |
| 1974 | 29 |
| 1975 | 75 |
| 1976 | 76 |
| 1977 | 62 |
| 1978 | 56 |
| 1979 | 70 |
| 1980 | 57 |
| 1981 | 84 |
| 1982 | 94 |
| 1983 | 124 |
| 1984 | 138 |
| 1985 | 172 |
| 1986 | 193 |
| 1987 | 234 |
| 1988 | 317 |
| 1989 | 384 |
| 1990 | 488 |
| 1991 | 489 |
| 1992 | 516 |
| 1993 | 566 |
| 1994 | 587 |
| 1995 | 557 |
| 1996 | 623 |
| 1997 | 611 |
| 1998 | 589 |
| 1999 | 631 |
| 2000 | 674 |
| 2001 | 734 |
| 2002 | 714 |
| 2003 | 686 |
| 2004 | 758 |
| 2005 | 812 |
| 2006 | 968 |
| 2007 | 940 |
| 2008 | 1065 |
| 2009 | 1075 |
| 2010 | 1228 |
| 2011 | 1369 |
| 2012 | 1581 |
| 2013 | 1842 |
| 2014 | 2200 |
| 2015 | 2417 |
| 2016 | 2568 |
| 2017 | 2593 |
| 2018 | 2748 |
| 2019 | 3144 |
| 2020 | 3770 |
| 2021 | 4476 |
| 2022 | 4437 |
| 2023 | 4349 |
| 2024 | 1477 |