Google Books Ngram Viewer

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

1800 - 1864 1865 1866 - 1893 1894 - 1954 1955 - 1970 moral expectation English
1800 - 1967 1968 - 1991 1992 - 1994 1995 - 1997 1998 - 2000 expected utility English

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