Income tax as a percent of GDP has remained remarkably stable since the 50's. Unlike Federal spending as a percentage, which has grown dramatically. <a href="http://investorshub.advfn.com/boards/read_msg.aspx?message_id=43106590" rel="nofollow" target="_blank">http://investorshub.advfn.com/boards/read_msg.aspx?message_id=43106590</a>