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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1843 | 1 |
| 1858 | 1 |
| 1860 | 1 |
| 1901 | 1 |
| 1903 | 1 |
| 1905 | 1 |
| 1909 | 2 |
| 1922 | 1 |
| 1926 | 3 |
| 1936 | 1 |
| 1944 | 1 |
| 1945 | 6 |
| 1946 | 10 |
| 1947 | 15 |
| 1948 | 13 |
| 1949 | 11 |
| 1950 | 8 |
| 1951 | 18 |
| 1952 | 25 |
| 1953 | 20 |
| 1954 | 16 |
| 1955 | 22 |
| 1956 | 18 |
| 1957 | 14 |
| 1958 | 17 |
| 1959 | 33 |
| 1960 | 17 |
| 1961 | 22 |
| 1962 | 25 |
| 1963 | 24 |
| 1964 | 34 |
| 1965 | 35 |
| 1966 | 33 |
| 1967 | 43 |
| 1968 | 60 |
| 1969 | 55 |
| 1970 | 57 |
| 1971 | 61 |
| 1972 | 51 |
| 1973 | 69 |
| 1974 | 68 |
| 1975 | 86 |
| 1976 | 102 |
| 1977 | 93 |
| 1978 | 91 |
| 1979 | 119 |
| 1980 | 117 |
| 1981 | 134 |
| 1982 | 142 |
| 1983 | 160 |
| 1984 | 188 |
| 1985 | 197 |
| 1986 | 221 |
| 1987 | 248 |
| 1988 | 296 |
| 1989 | 301 |
| 1990 | 346 |
| 1991 | 390 |
| 1992 | 395 |
| 1993 | 405 |
| 1994 | 478 |
| 1995 | 472 |
| 1996 | 487 |
| 1997 | 544 |
| 1998 | 536 |
| 1999 | 584 |
| 2000 | 642 |
| 2001 | 689 |
| 2002 | 831 |
| 2003 | 786 |
| 2004 | 925 |
| 2005 | 1108 |
| 2006 | 1243 |
| 2007 | 1385 |
| 2008 | 1547 |
| 2009 | 1622 |
| 2010 | 1783 |
| 2011 | 2022 |
| 2012 | 2145 |
| 2013 | 2155 |
| 2014 | 2450 |
| 2015 | 2632 |
| 2016 | 2633 |
| 2017 | 2784 |
| 2018 | 2949 |
| 2019 | 3136 |
| 2020 | 3625 |
| 2021 | 3951 |
| 2022 | 3780 |
| 2023 | 3749 |
| 2024 | 1419 |