| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
1.5%
|
| 0 | 1 |
1.5%
|
|
| 4 | 2 |
3.1%
|
|
| 5 | 2 |
3.1%
|
|
| 6 | 6 |
9.2%
|
|
| 7 | 2 |
3.1%
|
|
| 8 | 4 |
6.2%
|
|
| 9 | 3 |
4.6%
|
|
| 10 | 1 |
1.5%
|
|
| 11 | 2 |
3.1%
|
|
| 12 | 1 |
1.5%
|
|
| 14 | 2 |
3.1%
|
|
| 15 | 4 |
6.2%
|
|
| 16 | 2 |
3.1%
|
|
| 17 | 1 |
1.5%
|
|
| 18 | 2 |
3.1%
|
|
| 19 | 1 |
1.5%
|
|
| 20 | 2 |
3.1%
|
|
| 21 | 1 |
1.5%
|
|
| 23 | 2 |
3.1%
|
|
| 28 | 1 |
1.5%
|
|
| 30 | 1 |
1.5%
|
|
| 40 | 1 |
1.5%
|
|
| 50 | 2 |
3.1%
|
|
| 52 | 1 |
1.5%
|
|
| 55 | 1 |
1.5%
|
|
| 60 | 1 |
1.5%
|
|
| 70 | 1 |
1.5%
|
|
| 74 | 1 |
1.5%
|
|
| 77 | 1 |
1.5%
|
|
| 95 | 1 |
1.5%
|
|
| 110 | 1 |
1.5%
|
|
| 137 | 1 |
1.5%
|
|
| 160 | 1 |
1.5%
|
|
| 197 | 1 |
1.5%
|
|
| 240 | 1 |
1.5%
|
|
| 350 | 1 |
1.5%
|
|
| 360 | 1 |
1.5%
|
|
| 368 | 1 |
1.5%
|
|
| 400 | 1 |
1.5%
|
|
| 450 | 1 |
1.5%
|
|
| 2000 | 1 |
1.5%
|
|
| Sysmiss | 296 |