| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
12%
|
|
| 5 | 1 |
4%
|
|
| 15 | 1 |
4%
|
|
| 20 | 2 |
8%
|
|
| 25 | 1 |
4%
|
|
| 28 | 1 |
4%
|
|
| 50 | 1 |
4%
|
|
| 998 | 98. Don't know | 1 |
4%
|
| 9996 | 96. Not applicable | 0 |
0%
|
| 9998 | 98. Don't know | 14 |
56%
|
| 9999 | 99. Missing | 0 |
0%
|
| Sysmiss | 241 |