*Percentage based on Polk U.S. heavy duty pickup and class 2-5 conventional chassis cab combined new registrations (CYTD June2011 - YE 2010) within EMERGENCY VEHICLES, MINING/QUARRING, CONSTRUCTION, PETROLEUM, METAL MINING, EXECUTIVE LEGISLATIVE & GENERAL GOVT, PETROLEUM REFINING & RELATED INDS MFRS, ELECTRIC GAS & SANITARY SERVICES, MINING & QUARRYING-NONMETALLIC MINERALS, JUSTICE PUBLIC ORDER & SAFETY, HEAVY CONSTRUCTION EXCEPT BUILDING, FORESTRY/LUMBER PRODUCTS, MANUFACTURING, AGRICULTURE/FARM, SANITATION/REFUSE, AGRICULTURAL PRODUCTION-LIVESTOCK, UTILITY SERVICES, ROAD/HIGHWAY MAINTENANCE, SPECIALIZED/HEAVY HAULING, OIL & GAS EXTRACTION, and GENERAL FREIGHT