| Value | Category | Cases | |
|---|---|---|---|
| 1 | ONE | 52 |
2.4%
|
| 2 | TWO | 266 |
12.2%
|
| 3 | THREE | 69 |
3.2%
|
| 4 | FOUR | 1 |
0%
|
| 8 | DK | 78 |
3.6%
|
| Sysmiss | 1723 |
78.7%
|