Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
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1900 - 1943 1944 - 1970 1971 - 1974 1975 - 1989 1990 - 2000 ryukyu islands English
1900 - 1943 1944 - 1976 1977 1978 - 1985 1986 - 1995 nansei islands English

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