Google Books Ngram Viewer

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

1880 - 1991 1992 - 1997 1998 1999 2000 steampunk English
1880 - 1953 1954 - 1992 1993 1994 - 1998 1999 - 2000 time traveler English

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