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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1876 | 1 |
| 1877 | 4 |
| 1884 | 1 |
| 1888 | 1 |
| 1897 | 1 |
| 1931 | 1 |
| 1932 | 1 |
| 1944 | 1 |
| 1945 | 8 |
| 1946 | 10 |
| 1947 | 25 |
| 1948 | 10 |
| 1949 | 9 |
| 1950 | 29 |
| 1951 | 35 |
| 1952 | 22 |
| 1953 | 21 |
| 1954 | 11 |
| 1955 | 22 |
| 1956 | 23 |
| 1957 | 31 |
| 1958 | 26 |
| 1959 | 20 |
| 1960 | 20 |
| 1961 | 34 |
| 1962 | 27 |
| 1963 | 28 |
| 1964 | 41 |
| 1965 | 40 |
| 1966 | 38 |
| 1967 | 41 |
| 1968 | 38 |
| 1969 | 44 |
| 1970 | 67 |
| 1971 | 47 |
| 1972 | 60 |
| 1973 | 49 |
| 1974 | 78 |
| 1975 | 73 |
| 1976 | 59 |
| 1977 | 97 |
| 1978 | 87 |
| 1979 | 72 |
| 1980 | 85 |
| 1981 | 76 |
| 1982 | 90 |
| 1983 | 96 |
| 1984 | 117 |
| 1985 | 110 |
| 1986 | 116 |
| 1987 | 111 |
| 1988 | 123 |
| 1989 | 110 |
| 1990 | 98 |
| 1991 | 113 |
| 1992 | 107 |
| 1993 | 101 |
| 1994 | 122 |
| 1995 | 116 |
| 1996 | 137 |
| 1997 | 136 |
| 1998 | 147 |
| 1999 | 129 |
| 2000 | 135 |
| 2001 | 134 |
| 2002 | 151 |
| 2003 | 115 |
| 2004 | 98 |
| 2005 | 119 |
| 2006 | 121 |
| 2007 | 154 |
| 2008 | 193 |
| 2009 | 156 |
| 2010 | 138 |
| 2011 | 164 |
| 2012 | 196 |
| 2013 | 191 |
| 2014 | 196 |
| 2015 | 236 |
| 2016 | 252 |
| 2017 | 242 |
| 2018 | 239 |
| 2019 | 260 |
| 2020 | 266 |
| 2021 | 289 |
| 2022 | 298 |
| 2023 | 263 |