3 Great Lakes (MI, MN, WI, IA) 5 Mid-Atlantic (MD, VA, WV, DC, OH, KY) 2 Midwest (IL, IN, MO, AR, KS) 10 New England (ME, MA, NH, VT, CT, RI) 8 Northeast (NY, NJ, PA, DE) 6 Northern Rockies (ID, WY, MT, ND, SD, NE) 7 Pacific Northwest (WA, OR, AK) 1 Southeast (TN, NC, SC, GA, AL, MS, FL) 1 Southern Rockies (UT, AZ, NM, CO, OK, TX) 4 Southwest (NV, CA, HI)