| Value | Category | Cases | |
|---|---|---|---|
| -998 | Dont know | 34 |
29.1%
|
| 0 | Nothing, free of cost | 52 |
44.4%
|
| 1 | 24 |
20.5%
|
|
| 2 | 1 |
0.9%
|
|
| 7 | 3 |
2.6%
|
|
| 10 | 2 |
1.7%
|
|
| 50 | 1 |
0.9%
|
|
| Sysmiss | 3 |