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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1831 | 1 |
| 1929 | 1 |
| 1933 | 1 |
| 1935 | 3 |
| 1936 | 1 |
| 1946 | 5 |
| 1947 | 1 |
| 1948 | 5 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 7 |
| 1952 | 7 |
| 1953 | 10 |
| 1954 | 2 |
| 1955 | 2 |
| 1956 | 3 |
| 1957 | 4 |
| 1958 | 6 |
| 1959 | 3 |
| 1960 | 6 |
| 1961 | 13 |
| 1962 | 5 |
| 1963 | 13 |
| 1964 | 14 |
| 1965 | 20 |
| 1966 | 17 |
| 1967 | 8 |
| 1968 | 12 |
| 1969 | 17 |
| 1970 | 26 |
| 1971 | 36 |
| 1972 | 55 |
| 1973 | 29 |
| 1974 | 29 |
| 1975 | 17 |
| 1976 | 26 |
| 1977 | 29 |
| 1978 | 13 |
| 1979 | 23 |
| 1980 | 22 |
| 1981 | 26 |
| 1982 | 24 |
| 1983 | 26 |
| 1984 | 32 |
| 1985 | 19 |
| 1986 | 37 |
| 1987 | 38 |
| 1988 | 50 |
| 1989 | 50 |
| 1990 | 64 |
| 1991 | 60 |
| 1992 | 83 |
| 1993 | 55 |
| 1994 | 78 |
| 1995 | 75 |
| 1996 | 69 |
| 1997 | 73 |
| 1998 | 94 |
| 1999 | 87 |
| 2000 | 100 |
| 2001 | 102 |
| 2002 | 121 |
| 2003 | 142 |
| 2004 | 167 |
| 2005 | 207 |
| 2006 | 233 |
| 2007 | 270 |
| 2008 | 272 |
| 2009 | 334 |
| 2010 | 362 |
| 2011 | 389 |
| 2012 | 482 |
| 2013 | 517 |
| 2014 | 757 |
| 2015 | 906 |
| 2016 | 1084 |
| 2017 | 1134 |
| 2018 | 1284 |
| 2019 | 1385 |
| 2020 | 1699 |
| 2021 | 1844 |
| 2022 | 1663 |
| 2023 | 193 |