| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
1.7%
|
|
| 1 | 4 |
0.5%
|
|
| 5 | 7 |
0.9%
|
|
| 6 | 23 |
3.1%
|
|
| 7 | 35 |
4.7%
|
|
| 8 | 31 |
4.2%
|
|
| 9 | 37 |
5%
|
|
| 10 | 29 |
3.9%
|
|
| 11 | 34 |
4.6%
|
|
| 12 | 32 |
4.3%
|
|
| 13 | 30 |
4%
|
|
| 14 | 55 |
7.4%
|
|
| 15 | 57 |
7.7%
|
|
| 16 | 51 |
6.9%
|
|
| 17 | 67 |
9%
|
|
| 18 | 85 |
11.4%
|
|
| 19 | 17 |
2.3%
|
|
| 20 | 8 |
1.1%
|
|
| 99 | 99. Don't know | 128 |
17.2%
|
| Sysmiss | 256 |