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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1856 | 1 |
| 1884 | 2 |
| 1885 | 1 |
| 1898 | 1 |
| 1922 | 1 |
| 1937 | 1 |
| 1946 | 1 |
| 1947 | 7 |
| 1948 | 10 |
| 1949 | 2 |
| 1950 | 5 |
| 1951 | 7 |
| 1952 | 9 |
| 1953 | 17 |
| 1954 | 14 |
| 1955 | 21 |
| 1956 | 25 |
| 1957 | 26 |
| 1958 | 16 |
| 1959 | 20 |
| 1960 | 17 |
| 1961 | 22 |
| 1962 | 20 |
| 1963 | 25 |
| 1964 | 28 |
| 1965 | 30 |
| 1966 | 22 |
| 1967 | 33 |
| 1968 | 38 |
| 1969 | 30 |
| 1970 | 32 |
| 1971 | 44 |
| 1972 | 40 |
| 1973 | 51 |
| 1974 | 40 |
| 1975 | 49 |
| 1976 | 32 |
| 1977 | 45 |
| 1978 | 46 |
| 1979 | 43 |
| 1980 | 50 |
| 1981 | 45 |
| 1982 | 54 |
| 1983 | 62 |
| 1984 | 51 |
| 1985 | 58 |
| 1986 | 63 |
| 1987 | 81 |
| 1988 | 92 |
| 1989 | 79 |
| 1990 | 106 |
| 1991 | 89 |
| 1992 | 85 |
| 1993 | 102 |
| 1994 | 125 |
| 1995 | 130 |
| 1996 | 135 |
| 1997 | 124 |
| 1998 | 134 |
| 1999 | 152 |
| 2000 | 157 |
| 2001 | 123 |
| 2002 | 167 |
| 2003 | 176 |
| 2004 | 173 |
| 2005 | 202 |
| 2006 | 247 |
| 2007 | 228 |
| 2008 | 301 |
| 2009 | 328 |
| 2010 | 322 |
| 2011 | 360 |
| 2012 | 363 |
| 2013 | 404 |
| 2014 | 446 |
| 2015 | 487 |
| 2016 | 473 |
| 2017 | 508 |
| 2018 | 514 |
| 2019 | 556 |
| 2020 | 632 |
| 2021 | 680 |
| 2022 | 660 |
| 2023 | 586 |
| 2024 | 225 |