| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 6 |
1.4%
|
| 0 | 2 |
0.5%
|
|
| 1 | 17 |
4%
|
|
| 2 | 30 |
7.1%
|
|
| 3 | 24 |
5.7%
|
|
| 4 | 99 |
23.3%
|
|
| 5 | 8 |
1.9%
|
|
| 6 | 19 |
4.5%
|
|
| 8 | 103 |
24.3%
|
|
| 9 | 2 |
0.5%
|
|
| 10 | 9 |
2.1%
|
|
| 12 | 38 |
9%
|
|
| 15 | 2 |
0.5%
|
|
| 16 | 18 |
4.2%
|
|
| 18 | 2 |
0.5%
|
|
| 20 | 10 |
2.4%
|
|
| 24 | 19 |
4.5%
|
|
| 28 | 5 |
1.2%
|
|
| 30 | 1 |
0.2%
|
|
| 32 | 1 |
0.2%
|
|
| 52 | 1 |
0.2%
|
|
| 54 | 1 |
0.2%
|
|
| 56 | 5 |
1.2%
|
|
| 112 | 2 |
0.5%
|
|
| Sysmiss | 336 |