| Adair |
2014, 2015, 2016, 2017, 2018, 2019 |
| Adams |
2014, 2015, 2016, 2017, 2018, 2019 |
| Allamakee |
2014, 2015, 2016, 2017, 2018, 2019 |
| Appanoose |
2014, 2015, 2016, 2017, 2018, 2019 |
| Audubon |
2014, 2015, 2016, 2017, 2018, 2019 |
| Benton |
2014, 2015, 2016, 2017, 2018, 2019 |
| Black Hawk |
2014, 2015, 2016, 2017, 2018, 2019 |
| Boone |
2014, 2015, 2016, 2017, 2018, 2019 |
| Bremer |
2014, 2015, 2016, 2017, 2018, 2019 |
| Buchanan |
2014, 2015, 2016, 2017, 2018, 2019 |
| Buena Vista |
2014, 2015, 2016, 2017, 2018, 2019 |
| Butler |
2014, 2015, 2016, 2017, 2018, 2019 |
| Calhoun |
2014, 2015, 2016, 2017, 2018, 2019 |
| Carroll |
2014, 2015, 2016, 2017, 2018, 2019 |
| Cass |
2014, 2015, 2016, 2017, 2018, 2019 |
| Cedar |
2014, 2015, 2016, 2017, 2018, 2019 |
| Cerro Gordo |
2014, 2015, 2016, 2017, 2018, 2019 |
| Cherokee |
2014, 2015, 2016, 2017, 2018, 2019 |
| Chickasaw |
2014, 2015, 2016, 2017, 2018, 2019 |
| Clarke |
2014, 2015, 2016, 2017, 2018, 2019 |
| Clay |
2014, 2015, 2016, 2017, 2018, 2019 |
| Clayton |
2014, 2015, 2016, 2017, 2018, 2019 |
| Clinton |
2014, 2015, 2016, 2017, 2018, 2019 |
| Crawford |
2014, 2015, 2016, 2017, 2018, 2019 |
| Dallas |
2014, 2015, 2017, 2018, 2019 |
| Davis |
2014, 2015, 2016, 2017, 2018, 2019 |
| Decatur |
2014, 2015, 2016, 2017, 2018, 2019 |
| Delaware |
2014, 2015, 2016, 2017, 2018, 2019 |
| Des Moines |
2014, 2015, 2016, 2017, 2018, 2019 |
| Dickinson |
2014, 2015, 2016, 2017, 2018, 2019 |
| Dubuque |
2014, 2015, 2016, 2017, 2018, 2019 |
| Emmet |
2014, 2015, 2016, 2017, 2018, 2019 |
| Fayette |
2014, 2015, 2016, 2017, 2018, 2019 |
| Floyd |
2014, 2015, 2016, 2017, 2018, 2019 |
| Franklin |
2014, 2015, 2017, 2018, 2019 |
| Fremont |
2014, 2015, 2016, 2017, 2018, 2019 |
| Greene |
2014, 2015, 2016, 2017, 2018, 2019 |
| Grundy |
2014, 2015, 2016, 2017, 2018, 2019 |
| Guthrie |
2014, 2015, 2016, 2017, 2018, 2019 |
| Hamilton |
2014, 2015, 2016, 2017, 2018, 2019 |
| Hancock |
2014, 2015, 2016, 2017, 2018, 2019 |
| Hardin |
2014, 2015, 2016, 2017, 2018, 2019 |
| Harrison |
2014, 2015, 2016, 2017, 2018, 2019 |
| Henry |
2014, 2015, 2016, 2017, 2018, 2019 |
| Howard |
2014, 2015, 2016, 2017, 2018, 2019 |
| Humboldt |
2014, 2015, 2016, 2017, 2018, 2019 |
| Ida |
2014, 2015, 2016, 2017, 2018, 2019 |
| Iowa |
2014, 2015, 2016, 2017, 2018, 2019 |
| Jackson |
2014, 2015, 2016, 2017, 2018, 2019 |
| Jasper |
2014, 2015, 2016, 2017, 2018 |
| Jefferson |
2014, 2015, 2016, 2017, 2018, 2019 |
| Johnson |
2014, 2015, 2016, 2017, 2018, 2019 |
| Jones |
2014, 2015, 2016, 2017, 2018, 2019 |
| Keokuk |
2014, 2015, 2016, 2017, 2018, 2019 |
| Kossuth |
2014, 2015, 2016, 2017, 2018, 2019 |
| Lee |
2014, 2015, 2016, 2017, 2018, 2019 |
| Linn |
2014, 2015, 2016, 2017, 2018, 2019 |
| Louisa |
2014, 2015, 2016, 2017, 2018, 2019 |
| Lucas |
2014, 2015, 2016, 2017, 2018 |
| Lyon |
2014, 2015, 2016, 2017, 2018, 2019 |
| Madison |
2014, 2015, 2016, 2017, 2018, 2019 |
| Mahaska |
2014, 2015, 2016, 2017, 2018, 2019 |
| Marion |
2014, 2015, 2016, 2017, 2018, 2019 |
| Marshall |
2014, 2015, 2016, 2017, 2018, 2019 |
| Mills |
2014, 2015, 2016, 2017, 2018, 2019 |
| Mitchell |
2014, 2015, 2016, 2017, 2018, 2019 |
| Monona |
2014, 2015, 2016, 2017, 2018, 2019 |
| Monroe |
2014, 2015, 2016, 2017, 2018, 2019 |
| Montgomery |
2014, 2015, 2016, 2017, 2018, 2019 |
| Muscatine |
2014, 2015, 2016, 2017, 2018, 2019 |
| O'Brien |
2014, 2015, 2016, 2017, 2018, 2019 |
| Osceola |
2014, 2015, 2016, 2017, 2018, 2019 |
| Page |
2014, 2015, 2016, 2017, 2018, 2019 |
| Palo Alto |
2014, 2015, 2016, 2017, 2018, 2019 |
| Plymouth |
2014, 2015, 2016, 2017, 2018, 2019 |
| Pocahontas |
2014, 2015, 2016, 2017, 2018, 2019 |
| Story |
2014, 2015, 2016, 2017, 2018, 2019 |
| Tama |
2014, 2015, 2016, 2017, 2018, 2019 |
| Taylor |
2014, 2015, 2016, 2017, 2018, 2019 |
| Union |
2014, 2015, 2016, 2017, 2018, 2019 |
| Van Buren |
2014, 2015, 2016, 2017, 2018, 2019 |
| Wapello |
2014, 2015, 2016, 2017, 2018, 2019 |
| Warren |
2014, 2015, 2016, 2017, 2018, 2019 |
| Washington |
2014, 2015, 2016, 2017, 2018, 2019 |
| Wayne |
2014, 2015, 2016, 2017, 2018, 2019 |
| Webster |
2014, 2015, 2016, 2017, 2018, 2019 |
| Winnebago |
2014, 2015, 2016, 2017, 2018, 2019 |
| Winneshiek |
2014, 2015, 2016, 2017, 2018, 2019 |
| Woodbury |
2014, 2015, 2016, 2017, 2018, 2019 |
| Worth |
2014, 2015, 2016, 2017, 2018, 2019 |
| Wright |
2014, 2015, 2016, 2017, 2018, 2019 |
| Polk |
2014, 2015, 2016, 2017, 2018, 2019 |
| Pottawattamie |
2014, 2015, 2016, 2017, 2018, 2019 |
| Poweshiek |
2014, 2015, 2016, 2017, 2018, 2019 |
| Ringgold |
2014, 2015, 2016, 2017, 2018, 2019 |
| Sac |
2014, 2015, 2016, 2017, 2018, 2019 |
| Scott |
2014, 2015, 2016, 2017, 2018, 2019 |
| Shelby |
2014, 2015, 2016, 2017, 2018, 2019 |
| Sioux |
2014, 2015, 2016, 2017, 2018, 2019 |