| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
2.1%
|
| 2 | 70 |
37.2%
|
|
| 3 | 30 |
16%
|
|
| 4 | 19 |
10.1%
|
|
| 5 | 14 |
7.4%
|
|
| 6 | 7 |
3.7%
|
|
| 7 | 9 |
4.8%
|
|
| 8 | 5 |
2.7%
|
|
| 9 | 2 |
1.1%
|
|
| 10 | 4 |
2.1%
|
|
| 11 | 2 |
1.1%
|
|
| 12 | 3 |
1.6%
|
|
| 15 | 3 |
1.6%
|
|
| 16 | 2 |
1.1%
|
|
| 17 | 1 |
0.5%
|
|
| 18 | 2 |
1.1%
|
|
| 19 | 1 |
0.5%
|
|
| 21 | 1 |
0.5%
|
|
| 26 | 1 |
0.5%
|
|
| 30 | 1 |
0.5%
|
|
| 32 | 1 |
0.5%
|
|
| 35 | 1 |
0.5%
|
|
| 40 | 1 |
0.5%
|
|
| 87 | 1 |
0.5%
|
|
| 186 | 1 |
0.5%
|
|
| 288 | 1 |
0.5%
|
|
| 500 | 1 |
0.5%
|
|
| Sysmiss | 1385 |