| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
4%
|
|
| 1 | 1 |
4%
|
|
| 2 | 2 |
8%
|
|
| 4 | 2 |
8%
|
|
| 5 | 1 |
4%
|
|
| 6 | 2 |
8%
|
|
| 10 | 9 |
36%
|
|
| 11 | 1 |
4%
|
|
| 15 | 1 |
4%
|
|
| 18 | 1 |
4%
|
|
| 20 | 4 |
16%
|
|
| 98 | Do not know | 0 |
0%
|
| 997 | Other specify | 0 |
0%
|
| 999 | Don't Know | 0 |
0%
|