| Value | Category | Cases | |
|---|---|---|---|
| 1 | Imported | 2206 |
86.3%
|
| 2 | Domestic | 291 |
11.4%
|
| 8 | DK | 58 |
2.3%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 95 |