| Value | Category | Cases | |
|---|---|---|---|
| 1 | 134 |
30.7%
|
|
| 2 | 89 |
20.4%
|
|
| 3 | 48 |
11%
|
|
| 4 | 62 |
14.2%
|
|
| 5 | 18 |
4.1%
|
|
| 6 | 15 |
3.4%
|
|
| 7 | 6 |
1.4%
|
|
| 8 | 19 |
4.3%
|
|
| 10 | 14 |
3.2%
|
|
| 11 | 1 |
0.2%
|
|
| 12 | 6 |
1.4%
|
|
| 14 | 1 |
0.2%
|
|
| 15 | 2 |
0.5%
|
|
| 16 | 1 |
0.2%
|
|
| 20 | 7 |
1.6%
|
|
| 24 | 1 |
0.2%
|
|
| 25 | 2 |
0.5%
|
|
| 28 | 1 |
0.2%
|
|
| 30 | 6 |
1.4%
|
|
| 77 | don't know | 4 |
0.9%
|
| Sysmiss | 476 |