| Value | Category | Cases | |
|---|---|---|---|
| 1 | 285 |
26.7%
|
|
| 2 | 293 |
27.5%
|
|
| 3 | 196 |
18.4%
|
|
| 4 | 110 |
10.3%
|
|
| 5 | 52 |
4.9%
|
|
| 6 | 35 |
3.3%
|
|
| 7 | 14 |
1.3%
|
|
| 8 | 23 |
2.2%
|
|
| 9 | 3 |
0.3%
|
|
| 10 | 23 |
2.2%
|
|
| 12 | 8 |
0.8%
|
|
| 14 | 5 |
0.5%
|
|
| 15 | 1 |
0.1%
|
|
| 20 | 6 |
0.6%
|
|
| 77 | Don't know | 12 |
1.1%
|
| Sysmiss | 63 |