| # | County | State | # in County | Date Completed |
| 18 | Newberry | SC | 1 | 2021-09-26 |
| 17 | Prowers | CO | 1 | 2020-03-05 |
| 16 | Hamilton | OH | 1 | 2019-06-24 |
| 15 | Iowa | WI | 1 | 2019-06-23 |
| 14 | Waukesha | WI | 1 | 2019-06-21 |
| 13 | Washington | WI | 1 | 2019-06-21 |
| 12 | Providence | RI | 1 | 2017-07-27 |
| 11 | Sagadahoc | ME | 1 | 2017-07-24 |
| 10 | Minidoka | ID | 1 | 2017-07-09 |
| 9 | DeKalb | GA | 1 | 2017-05-23 |
| 8 | Stephens | GA | 1 | 2017-05-23 |
| 7 | Stearns | MN | 1 | 2015-07-26 |
| 6 | Hancock | IA | 1 | 2015-07-26 |
| 5 | Carroll | IA | 1 | 2015-07-24 |
| 4 | Adams | WA | 1 | 2011-06-03 |
| 3 | Logan | OH | 1 | 2009-10-13 |
| 2 | Wayne | IN | 1 | 2009-10-13 |
| 1 | Price | WI | 1 | 2009-10-12 |