Google Books Ngram Viewer

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

1900 - 2001 2002 - 2005 2006 2007 2008 euro area English
1900 - 1972 1973 1974 - 1988 1989 - 2001 2002 - 2008 european currency union English
1900 - 1990 1991 - 2000 2001 2002 - 2007 2008 european economic and monetary union English
1900 - 1987 1988 - 2000 2001 2002 - 2005 2006 - 2008 european monetary union English

Run your own experiment! Raw data is available for download here.
© 2013 Google - Privacy & Terms - About Google - About Google Books - About Ngram Viewer