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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1880 | 3 |
| 1885 | 1 |
| 1886 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1917 | 1 |
| 1923 | 1 |
| 1927 | 1 |
| 1930 | 1 |
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1951 | 3 |
| 1954 | 2 |
| 1955 | 2 |
| 1957 | 1 |
| 1960 | 2 |
| 1961 | 5 |
| 1962 | 2 |
| 1963 | 5 |
| 1964 | 1 |
| 1965 | 4 |
| 1966 | 7 |
| 1967 | 7 |
| 1968 | 10 |
| 1969 | 6 |
| 1970 | 11 |
| 1971 | 9 |
| 1972 | 10 |
| 1973 | 6 |
| 1974 | 15 |
| 1975 | 14 |
| 1976 | 15 |
| 1977 | 25 |
| 1978 | 13 |
| 1979 | 12 |
| 1980 | 16 |
| 1981 | 30 |
| 1982 | 18 |
| 1983 | 19 |
| 1984 | 22 |
| 1985 | 23 |
| 1986 | 22 |
| 1987 | 23 |
| 1988 | 27 |
| 1989 | 29 |
| 1990 | 30 |
| 1991 | 50 |
| 1992 | 49 |
| 1993 | 43 |
| 1994 | 55 |
| 1995 | 61 |
| 1996 | 45 |
| 1997 | 64 |
| 1998 | 71 |
| 1999 | 67 |
| 2000 | 77 |
| 2001 | 67 |
| 2002 | 93 |
| 2003 | 106 |
| 2004 | 113 |
| 2005 | 162 |
| 2006 | 154 |
| 2007 | 160 |
| 2008 | 157 |
| 2009 | 173 |
| 2010 | 205 |
| 2011 | 232 |
| 2012 | 233 |
| 2013 | 223 |
| 2014 | 228 |
| 2015 | 302 |
| 2016 | 288 |
| 2017 | 264 |
| 2018 | 275 |
| 2019 | 254 |
| 2020 | 281 |
| 2021 | 283 |
| 2022 | 301 |
| 2023 | 119 |