| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
1.6%
|
| 0 | 51 |
8.3%
|
|
| 1 | 143 |
23.2%
|
|
| 2 | 93 |
15.1%
|
|
| 3 | 76 |
12.3%
|
|
| 4 | 78 |
12.7%
|
|
| 5 | 33 |
5.4%
|
|
| 6 | 53 |
8.6%
|
|
| 7 | 1 |
0.2%
|
|
| 8 | 19 |
3.1%
|
|
| 9 | 1 |
0.2%
|
|
| 10 | 6 |
1%
|
|
| 11 | 1 |
0.2%
|
|
| 12 | 15 |
2.4%
|
|
| 13 | 4 |
0.6%
|
|
| 14 | 3 |
0.5%
|
|
| 15 | 3 |
0.5%
|
|
| 16 | 3 |
0.5%
|
|
| 17 | 3 |
0.5%
|
|
| 18 | 1 |
0.2%
|
|
| 20 | 3 |
0.5%
|
|
| 22 | 4 |
0.6%
|
|
| 23 | 3 |
0.5%
|
|
| 24 | 9 |
1.5%
|
|
| Sysmiss | 2019 |