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| State | Number of Units | Since 09/02/10 |
| California | ( 9 ) | |
| Colorado | ( 8 ) | |
| Connecticut | ( 2 ) | |
| Florida | ( 3 ) | |
| Georgia | ( 2 ) | |
| Illinois | ( 3 ) | |
| Indiana | ( 2 ) | |
| Iowa | ( 2 ) | |
| Kansas | ( 1 ) | |
| Kentucky | ( 1 ) | |
| Massachusetts | ( 1 ) | |
| Michigan | ( 1 ) | |
| Missouri | ( 3 ) | |
| New Hampshire | ( 1 ) | |
| New Jersey | ( 2 ) | |
| New York | ( 2 ) | |
| North Carolina | ( 1 ) | |
| Ohio | ( 3 ) | |
| Oklahoma | ( 2 ) | |
| Pennsylvania | ( 2 ) | |
| South Carolina | ( 3 ) | |
| South Dakota | ( 1 ) | |
| Texas | ( 11 ) | |
| Virginia | ( 2 ) | |
| Washington | ( 1 ) |