This piechart gives a breakdown of the FY2005 Title IV clients, ages 13 to 24, according to HIV transmission category. The breakdown is: MSM -- 17%, IDU -- 1%, MSM and IDU -- 1%, hemophilia/coagulation disorder -- 1%, heterosexual contact -- 32%, blood transfusion -- 2%, perinatal transmission -- 33%, other -- 2%, and unknown/unreported -- 11%.