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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1812 | 1 |
| 1880 | 2 |
| 1887 | 1 |
| 1890 | 1 |
| 1891 | 1 |
| 1897 | 1 |
| 1902 | 1 |
| 1912 | 1 |
| 1914 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1921 | 1 |
| 1922 | 2 |
| 1926 | 1 |
| 1927 | 1 |
| 1932 | 1 |
| 1935 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1941 | 1 |
| 1942 | 1 |
| 1943 | 1 |
| 1944 | 1 |
| 1946 | 4 |
| 1947 | 6 |
| 1948 | 6 |
| 1950 | 12 |
| 1951 | 27 |
| 1952 | 28 |
| 1953 | 23 |
| 1954 | 19 |
| 1955 | 11 |
| 1956 | 14 |
| 1957 | 27 |
| 1958 | 21 |
| 1959 | 16 |
| 1960 | 13 |
| 1961 | 5 |
| 1962 | 11 |
| 1963 | 95 |
| 1964 | 121 |
| 1965 | 90 |
| 1966 | 55 |
| 1967 | 69 |
| 1968 | 70 |
| 1969 | 80 |
| 1970 | 91 |
| 1971 | 73 |
| 1972 | 79 |
| 1973 | 78 |
| 1974 | 79 |
| 1975 | 120 |
| 1976 | 124 |
| 1977 | 147 |
| 1978 | 133 |
| 1979 | 175 |
| 1980 | 173 |
| 1981 | 255 |
| 1982 | 229 |
| 1983 | 254 |
| 1984 | 245 |
| 1985 | 302 |
| 1986 | 343 |
| 1987 | 660 |
| 1988 | 1246 |
| 1989 | 1803 |
| 1990 | 1975 |
| 1991 | 2208 |
| 1992 | 2375 |
| 1993 | 2453 |
| 1994 | 2544 |
| 1995 | 2776 |
| 1996 | 2806 |
| 1997 | 2923 |
| 1998 | 3021 |
| 1999 | 3237 |
| 2000 | 3729 |
| 2001 | 4092 |
| 2002 | 4474 |
| 2003 | 5010 |
| 2004 | 5704 |
| 2005 | 6214 |
| 2006 | 6611 |
| 2007 | 6915 |
| 2008 | 7666 |
| 2009 | 8135 |
| 2010 | 9011 |
| 2011 | 9552 |
| 2012 | 10114 |
| 2013 | 10656 |
| 2014 | 11584 |
| 2015 | 12293 |
| 2016 | 12670 |
| 2017 | 12839 |
| 2018 | 13636 |
| 2019 | 14514 |
| 2020 | 16666 |
| 2021 | 17650 |
| 2022 | 17124 |
| 2023 | 17048 |
| 2024 | 17636 |
| 2025 | 18681 |
| 2026 | 4240 |