| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Yes | 2063556 |
42.8%
|
| 2 | 2. No | 1574575 |
32.6%
|
| 8 | 8. Not Applicable | 1154583 |
23.9%
|
| 9 | 9. Unspecified | 32735 |
0.7%
|
| Sysmiss | 1197099 |