an Entity references as follows:
Historically, Chicago has had an ethnic German population. As of the 2000 U.S. Census, 15.8% of people in the Chicago area had German ancestry, and those of German ancestry were the largest ethnic group in 80% of Chicago's suburbs. As of the year 1930, those of German ancestry were the largest European ethnic group in Chicago. However, as of today that number has decreased to 6%.