| Value | Category | Cases | |
|---|---|---|---|
| 1 | 114 |
18.4%
|
|
| 2 | 175 |
28.2%
|
|
| 3 | 125 |
20.2%
|
|
| 4 | 60 |
9.7%
|
|
| 5 | 41 |
6.6%
|
|
| 6 | 35 |
5.6%
|
|
| 7 | 11 |
1.8%
|
|
| 8 | 11 |
1.8%
|
|
| 9 | 1 |
0.2%
|
|
| 10 | 10 |
1.6%
|
|
| 11 | 1 |
0.2%
|
|
| 12 | 6 |
1%
|
|
| 15 | 3 |
0.5%
|
|
| 18 | 1 |
0.2%
|
|
| 19 | 1 |
0.2%
|
|
| 20 | 1 |
0.2%
|
|
| 25 | 1 |
0.2%
|
|
| 30 | 1 |
0.2%
|
|
| 77 | don't know | 22 |
3.5%
|
| Sysmiss | 1023 |