Data watch. The (flex) benefit not taken.
D017047:Cost Sharing / Q000706:statistics & numerical data*; D003625:Data Collection; D005382:Financing, Personal / Q000706:statistics & numerical data*; D006264:Health Benefit Plans, Employee / Q000191:economics / Q000706:statistics & numerical data*; D006279:Health Maintenance Organizations / Q000706:statistics & numerical data; D006801:Humans; D014481:United States