| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 5 |
0.8%
|
| 0 | 14 |
2.3%
|
|
| 1 | 29 |
4.7%
|
|
| 2 | 43 |
6.9%
|
|
| 3 | 19 |
3.1%
|
|
| 4 | 139 |
22.5%
|
|
| 5 | 9 |
1.5%
|
|
| 6 | 34 |
5.5%
|
|
| 7 | 2 |
0.3%
|
|
| 8 | 113 |
18.3%
|
|
| 9 | 2 |
0.3%
|
|
| 10 | 10 |
1.6%
|
|
| 12 | 89 |
14.4%
|
|
| 14 | 2 |
0.3%
|
|
| 16 | 32 |
5.2%
|
|
| 18 | 3 |
0.5%
|
|
| 20 | 11 |
1.8%
|
|
| 24 | 31 |
5%
|
|
| 25 | 2 |
0.3%
|
|
| 26 | 1 |
0.2%
|
|
| 30 | 3 |
0.5%
|
|
| 32 | 1 |
0.2%
|
|
| 36 | 1 |
0.2%
|
|
| 40 | 3 |
0.5%
|
|
| 48 | 2 |
0.3%
|
|
| 50 | 1 |
0.2%
|
|
| 52 | 9 |
1.5%
|
|
| 54 | 6 |
1%
|
|
| 156 | 1 |
0.2%
|
|
| 164 | 1 |
0.2%
|
|
| 520 | 1 |
0.2%
|
|
| Sysmiss | 186 |