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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1874 | 2 |
| 1876 | 2 |
| 1893 | 1 |
| 1949 | 1 |
| 1952 | 2 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 5 |
| 1961 | 1 |
| 1962 | 4 |
| 1963 | 2 |
| 1964 | 4 |
| 1965 | 6 |
| 1966 | 6 |
| 1967 | 11 |
| 1968 | 12 |
| 1969 | 16 |
| 1970 | 13 |
| 1971 | 15 |
| 1972 | 15 |
| 1973 | 17 |
| 1974 | 13 |
| 1975 | 20 |
| 1976 | 20 |
| 1977 | 18 |
| 1978 | 10 |
| 1979 | 19 |
| 1980 | 24 |
| 1981 | 20 |
| 1982 | 8 |
| 1983 | 19 |
| 1984 | 24 |
| 1985 | 29 |
| 1986 | 36 |
| 1987 | 36 |
| 1988 | 30 |
| 1989 | 32 |
| 1990 | 52 |
| 1991 | 56 |
| 1992 | 60 |
| 1993 | 87 |
| 1994 | 80 |
| 1995 | 89 |
| 1996 | 77 |
| 1997 | 80 |
| 1998 | 100 |
| 1999 | 134 |
| 2000 | 144 |
| 2001 | 184 |
| 2002 | 182 |
| 2003 | 201 |
| 2004 | 197 |
| 2005 | 206 |
| 2006 | 241 |
| 2007 | 269 |
| 2008 | 340 |
| 2009 | 411 |
| 2010 | 445 |
| 2011 | 573 |
| 2012 | 583 |
| 2013 | 798 |
| 2014 | 1041 |
| 2015 | 1249 |
| 2016 | 1362 |
| 2017 | 1505 |
| 2018 | 1924 |
| 2019 | 2098 |
| 2020 | 3031 |
| 2021 | 3904 |
| 2022 | 4036 |
| 2023 | 3470 |
| 2024 | 1552 |