Figure 2: (A) Relative shares of revenue for state wildlife agencies from all four major funding streams: guns and ammunition excise taxes (Pittman-Robertson), fishing equipment excise taxes (Dingell-Johnson), hunting license sales, and fishing license sales. Revenue shares exclude any state-level appropriations to wildlife agencies. (B) Hunting license and fishing license holders as a fraction of US population. (C) total revenue generated for state wildlife agencies through excise taxes on fishing and boating equipment (Dingell-Johnson) and firearms and ammunition (Pittman-Robertson)