Table 13,, Tons of Coal for Top Railroads Originated by State: 2003,, ,Tons (millions),"Percent of U.S. total" Wyoming, 358 , 46.1 West Virginia, 108 , 14.0 Kentucky, 72 , 9.3 Illinois, 38 , 4.8 Pennsylvania, 36 , 4.6 Top 5 states total, 612 , 78.8 U.S. total, 777 , 100.0 " SOURCE: Association of American Railroads (AAR), 2003, Origination and Termination States of Leading Rail Commodities, available at www.aar.org, as of September 2005. ",,