| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
6.3%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 5 |
3.9%
|
| 2 | 5 |
3.9%
|
|
| 3 | 11 |
8.6%
|
|
| 4 | 3 |
2.3%
|
|
| 5 | 19 |
14.8%
|
|
| 6 | 7 |
5.5%
|
|
| 7 | 15 |
11.7%
|
|
| 8 | 4 |
3.1%
|
|
| 9 | 3 |
2.3%
|
|
| 10 | 8 |
6.3%
|
|
| 12 | 4 |
3.1%
|
|
| 15 | 5 |
3.9%
|
|
| 16 | 1 |
0.8%
|
|
| 25 | 1 |
0.8%
|
|
| 30 | 1 |
0.8%
|
|
| 35 | 5 |
3.9%
|
|
| 40 | 10 |
7.8%
|
|
| 45 | 8 |
6.3%
|
|
| 70 | 2 |
1.6%
|
|
| 80 | 1 |
0.8%
|
|
| 92 | 1 |
0.8%
|
|
| 120 | 1 |
0.8%
|
|
| Sysmiss | 1172 |