Figure 2From: Incidence of anogenital warts in Germany: a population-based cohort study Geographical variation in incidence rates of anogenital warts in Germany 2005 to 2006. Note: Incidence rates are standardised for the sex and age distribution of the German population in 2006 and are computed per 100,000 person-years. Bremen and Bremerhaven constitute the city-state Bremen.Back to article page