| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
2.7%
|
| -7 | Does not apply (spontaneous) | 2 |
0.7%
|
| 1 | Less than one day | 9 |
3.1%
|
| 2 | 14 |
4.8%
|
|
| 3 | 23 |
7.9%
|
|
| 4 | 10 |
3.4%
|
|
| 5 | 26 |
8.9%
|
|
| 6 | 5 |
1.7%
|
|
| 7 | 49 |
16.8%
|
|
| 8 | 6 |
2.1%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 17 |
5.8%
|
|
| 12 | 4 |
1.4%
|
|
| 14 | 1 |
0.3%
|
|
| 15 | 21 |
7.2%
|
|
| 20 | 12 |
4.1%
|
|
| 24 | 1 |
0.3%
|
|
| 25 | 4 |
1.4%
|
|
| 29 | 1 |
0.3%
|
|
| 30 | 20 |
6.9%
|
|
| 35 | 1 |
0.3%
|
|
| 40 | 7 |
2.4%
|
|
| 45 | 12 |
4.1%
|
|
| 60 | 16 |
5.5%
|
|
| 70 | 1 |
0.3%
|
|
| 75 | 2 |
0.7%
|
|
| 80 | 1 |
0.3%
|
|
| 90 | 11 |
3.8%
|
|
| 120 | 4 |
1.4%
|
|
| 150 | 1 |
0.3%
|
|
| 180 | 1 |
0.3%
|
|
| Sysmiss | 696 |