| Value | Category | Cases | |
|---|---|---|---|
| 1 | north east | 848 |
18.3%
|
| 2 | south | 1261 |
27.3%
|
| 3 | midwest | 1196 |
25.8%
|
| 4 | west | 1225 |
26.5%
|
| 98 | 84 |
1.8%
|
|
| 99 | 13 |
0.3%
|
|
| Sysmiss | 278 |