Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1500 - 1890 1891 - 1912 1913 - 1919 1920 - 1989 1990 - 2008 der springende punkt German

Run your own experiment! Raw data is available for download here.
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