| Value | Category | Cases | |
|---|---|---|---|
| 0 | 157 |
19.6%
|
|
| 1 | 10 |
1.3%
|
|
| 2 | 24 |
3%
|
|
| 3 | 28 |
3.5%
|
|
| 4 | 39 |
4.9%
|
|
| 5 | 33 |
4.1%
|
|
| 6 | 46 |
5.8%
|
|
| 7 | 70 |
8.8%
|
|
| 8 | 62 |
7.8%
|
|
| 9 | 55 |
6.9%
|
|
| 10 | 85 |
10.6%
|
|
| 11 | 22 |
2.8%
|
|
| 12 | 108 |
13.5%
|
|
| 13 | 2 |
0.3%
|
|
| 14 | 4 |
0.5%
|
|
| 15 | 13 |
1.6%
|
|
| 16 | 15 |
1.9%
|
|
| 17 | 3 |
0.4%
|
|
| 18 | 4 |
0.5%
|
|
| 97 | inconsistent | 0 |
0%
|
| 98 | don't know | 19 |
2.4%
|
| Sysmiss | 6 |