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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1887 | 3 |
| 1888 | 1 |
| 1889 | 1 |
| 1890 | 2 |
| 1891 | 4 |
| 1899 | 1 |
| 1935 | 2 |
| 1936 | 1 |
| 1940 | 1 |
| 1946 | 3 |
| 1947 | 4 |
| 1948 | 5 |
| 1950 | 3 |
| 1951 | 2 |
| 1952 | 2 |
| 1954 | 4 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 4 |
| 1959 | 2 |
| 1960 | 5 |
| 1961 | 9 |
| 1962 | 11 |
| 1963 | 12 |
| 1964 | 17 |
| 1965 | 14 |
| 1966 | 15 |
| 1967 | 20 |
| 1968 | 13 |
| 1969 | 27 |
| 1970 | 21 |
| 1971 | 31 |
| 1972 | 36 |
| 1973 | 29 |
| 1974 | 22 |
| 1975 | 23 |
| 1976 | 32 |
| 1977 | 40 |
| 1978 | 30 |
| 1979 | 42 |
| 1980 | 51 |
| 1981 | 41 |
| 1982 | 35 |
| 1983 | 45 |
| 1984 | 41 |
| 1985 | 61 |
| 1986 | 80 |
| 1987 | 71 |
| 1988 | 112 |
| 1989 | 96 |
| 1990 | 117 |
| 1991 | 111 |
| 1992 | 116 |
| 1993 | 156 |
| 1994 | 140 |
| 1995 | 152 |
| 1996 | 204 |
| 1997 | 182 |
| 1998 | 216 |
| 1999 | 266 |
| 2000 | 300 |
| 2001 | 392 |
| 2002 | 420 |
| 2003 | 556 |
| 2004 | 682 |
| 2005 | 790 |
| 2006 | 800 |
| 2007 | 875 |
| 2008 | 944 |
| 2009 | 1143 |
| 2010 | 1343 |
| 2011 | 1520 |
| 2012 | 1656 |
| 2013 | 1821 |
| 2014 | 1961 |
| 2015 | 2176 |
| 2016 | 2218 |
| 2017 | 2260 |
| 2018 | 2280 |
| 2019 | 2411 |
| 2020 | 2664 |
| 2021 | 2905 |
| 2022 | 2724 |
| 2023 | 1263 |