Google Books Ngram Viewer

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

1900 - 1915 1916 - 1945 1946 - 1952 1953 - 1995 1996 - 2008 sondersteuer German
1900 - 1995 1996 - 2005 2006 2007 2008 solidaritätszuschlag German

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