| Geopolitical zone | Frequency | % |
| Northcentral | 1641 | 18.4 |
| Northeast | 1345 | 15.1 |
| Northwest | 1534 | 17.2 |
| Southeast | 1443 | 16.2 |
| Southsouth | 1631 | 18.3 |
| Southwest | 1326 | 14.9 |
| Total | 8920 | 100.0 |