Region definitions: Southwest (NV, NM, AZ, UT, CO), Southeast (FL, GA, SC, NC, VA), South (WV, KN, TN, MS, AL), Gulf (TX, LA, OK), Plains (ND, SD, WY, MT, NE, IA, ID, KS, MO, AK), Great Lakes (IL, MI, MN, PA, OH, WI, IN), Northeast (NY, MD, DE, NJ, VT, NH, ME, MA, CT, RI, DC), West (CA, OR, WA, HI)