| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 0 |
0%
|
| 1 | 3 |
2.1%
|
|
| 2 | 7 |
4.9%
|
|
| 3 | 13 |
9.2%
|
|
| 4 | 4 |
2.8%
|
|
| 5 | 32 |
22.5%
|
|
| 7 | 4 |
2.8%
|
|
| 10 | 7 |
4.9%
|
|
| 14 | 2 |
1.4%
|
|
| 15 | 41 |
28.9%
|
|
| 20 | 1 |
0.7%
|
|
| 30 | 25 |
17.6%
|
|
| 45 | 1 |
0.7%
|
|
| 50 | 2 |
1.4%
|
|
| Sysmiss | 377 |