checklist
- Alabama
- Alaska
- ✔ Arizona
- Arkansas
- ✔ California
- Colorado
- ✔ Connecticut
- ✔ Delaware
- ✔ Florida
- ✔ Georgia
- Hawaii
- Idaho
- ✔ Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- ✔ Louisiana
- Maine
- ✔ Maryland
- ✔ Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- ✔ Nevada
- ✔ New Hampshire
- ✔ New Jersey
- New Mexico
- ✔ New York
- ✔ North Carolina
- North Dakota
- ✔ Ohio
- Oklahoma
- Oregon
- ✔ Pennsylvania
- ✔ Rhode Island
- ✔ South Carolina
- South Dakota
- ✔ Tennessee
- ✔ Texas
- Utah
- Vermont
- ✔ Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
mar 11 2009 ∞
jul 31 2016 +