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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1846 | 2 |
| 1863 | 1 |
| 1900 | 1 |
| 1917 | 1 |
| 1933 | 4 |
| 1935 | 1 |
| 1939 | 1 |
| 1945 | 1 |
| 1946 | 5 |
| 1947 | 12 |
| 1948 | 10 |
| 1949 | 1 |
| 1950 | 11 |
| 1951 | 22 |
| 1952 | 22 |
| 1953 | 25 |
| 1954 | 19 |
| 1955 | 18 |
| 1956 | 25 |
| 1957 | 26 |
| 1958 | 30 |
| 1959 | 40 |
| 1960 | 35 |
| 1961 | 40 |
| 1962 | 22 |
| 1963 | 27 |
| 1964 | 48 |
| 1965 | 50 |
| 1966 | 42 |
| 1967 | 54 |
| 1968 | 40 |
| 1969 | 53 |
| 1970 | 54 |
| 1971 | 44 |
| 1972 | 52 |
| 1973 | 60 |
| 1974 | 49 |
| 1975 | 60 |
| 1976 | 42 |
| 1977 | 56 |
| 1978 | 59 |
| 1979 | 48 |
| 1980 | 68 |
| 1981 | 63 |
| 1982 | 89 |
| 1983 | 92 |
| 1984 | 97 |
| 1985 | 114 |
| 1986 | 109 |
| 1987 | 110 |
| 1988 | 139 |
| 1989 | 128 |
| 1990 | 133 |
| 1991 | 152 |
| 1992 | 160 |
| 1993 | 149 |
| 1994 | 160 |
| 1995 | 143 |
| 1996 | 142 |
| 1997 | 139 |
| 1998 | 197 |
| 1999 | 208 |
| 2000 | 253 |
| 2001 | 302 |
| 2002 | 325 |
| 2003 | 348 |
| 2004 | 339 |
| 2005 | 393 |
| 2006 | 398 |
| 2007 | 452 |
| 2008 | 493 |
| 2009 | 457 |
| 2010 | 482 |
| 2011 | 610 |
| 2012 | 606 |
| 2013 | 670 |
| 2014 | 806 |
| 2015 | 957 |
| 2016 | 948 |
| 2017 | 917 |
| 2018 | 921 |
| 2019 | 952 |
| 2020 | 1052 |
| 2021 | 1113 |
| 2022 | 951 |
| 2023 | 955 |
| 2024 | 919 |
| 2025 | 17 |