Google Books Ngram Viewer

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

1890 - 1908 1909 - 1949 1950 - 1953 1954 - 1983 1984 - 2008 radfahrweg German
1890 - 1971 1972 - 2004 2005 - 2006 2007 2008 fahrradweg German
1890 - 1958 1959 - 1997 1998 - 1999 2000 - 2007 2008 radweg German
1890 - 1935 1936 - 1960 1961 1962 - 2005 2006 - 2008 radfahrstreifen German
1890 - 1924 1925 - 1958 1959 1960 - 1997 1998 - 2008 radstreifen German

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