255: United States - Nebraska

46: United States - Iowa

24: United States - South Dakota

6: United States - Missouri

3: United States - Minnesota

2: United States - Arizona

2: United States - Colorado

1: United States - California

1: United States - Delaware

1: United States - Florida

1: United States - Illinois

1: United States - North Carolina

1: United States - Ohio

1: United States - Tennessee

1: United States - Texas