| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
4.5%
|
| 3 | 8 |
11.9%
|
|
| 4 | 3 |
4.5%
|
|
| 6 | 2 |
3%
|
|
| 7 | 1 |
1.5%
|
|
| 9 | 1 |
1.5%
|
|
| 10 | 1 |
1.5%
|
|
| 12 | 1 |
1.5%
|
|
| 15 | 1 |
1.5%
|
|
| 16 | 1 |
1.5%
|
|
| 25 | 1 |
1.5%
|
|
| 27 | 1 |
1.5%
|
|
| 28 | 1 |
1.5%
|
|
| 30 | 4 |
6%
|
|
| 35 | 1 |
1.5%
|
|
| 40 | 4 |
6%
|
|
| 45 | 2 |
3%
|
|
| 47 | 1 |
1.5%
|
|
| 48 | 1 |
1.5%
|
|
| 50 | 2 |
3%
|
|
| 55 | 1 |
1.5%
|
|
| 60 | 3 |
4.5%
|
|
| 70 | 1 |
1.5%
|
|
| 72 | 1 |
1.5%
|
|
| 75 | 1 |
1.5%
|
|
| 80 | 1 |
1.5%
|
|
| 90 | 1 |
1.5%
|
|
| 120 | 2 |
3%
|
|
| 128 | 1 |
1.5%
|
|
| 144 | 2 |
3%
|
|
| 200 | 2 |
3%
|
|
| 224 | 1 |
1.5%
|
|
| 225 | 1 |
1.5%
|
|
| 300 | 2 |
3%
|
|
| 400 | 1 |
1.5%
|
|
| 459 | 1 |
1.5%
|
|
| 540 | 1 |
1.5%
|
|
| 792 | 1 |
1.5%
|
|
| 800 | 1 |
1.5%
|
|
| 900 | 1 |
1.5%
|
|
| 1152 | 1 |
1.5%
|
|
| Sysmiss | 958 |