| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
12.3%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 3 |
2.6%
|
| 2 | 1 |
0.9%
|
|
| 3 | 9 |
7.9%
|
|
| 4 | 5 |
4.4%
|
|
| 5 | 14 |
12.3%
|
|
| 6 | 2 |
1.8%
|
|
| 7 | 22 |
19.3%
|
|
| 8 | 1 |
0.9%
|
|
| 9 | 1 |
0.9%
|
|
| 10 | 5 |
4.4%
|
|
| 14 | 5 |
4.4%
|
|
| 15 | 4 |
3.5%
|
|
| 20 | 3 |
2.6%
|
|
| 21 | 3 |
2.6%
|
|
| 30 | 12 |
10.5%
|
|
| 35 | 1 |
0.9%
|
|
| 40 | 2 |
1.8%
|
|
| 60 | 2 |
1.8%
|
|
| 70 | 1 |
0.9%
|
|
| 90 | 2 |
1.8%
|
|
| 120 | 1 |
0.9%
|
|
| 160 | 1 |
0.9%
|
|
| Sysmiss | 888 |