| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
2.1%
|
| 0 | Less than one day | 0 |
0%
|
| 3 | 3 |
2.1%
|
|
| 4 | 1 |
0.7%
|
|
| 5 | 20 |
13.9%
|
|
| 6 | 3 |
2.1%
|
|
| 7 | 2 |
1.4%
|
|
| 8 | 10 |
6.9%
|
|
| 9 | 1 |
0.7%
|
|
| 10 | 3 |
2.1%
|
|
| 12 | 5 |
3.5%
|
|
| 14 | 3 |
2.1%
|
|
| 15 | 22 |
15.3%
|
|
| 17 | 1 |
0.7%
|
|
| 18 | 1 |
0.7%
|
|
| 19 | 1 |
0.7%
|
|
| 20 | 8 |
5.6%
|
|
| 21 | 1 |
0.7%
|
|
| 22 | 1 |
0.7%
|
|
| 25 | 2 |
1.4%
|
|
| 30 | 12 |
8.3%
|
|
| 35 | 2 |
1.4%
|
|
| 38 | 1 |
0.7%
|
|
| 40 | 7 |
4.9%
|
|
| 45 | 11 |
7.6%
|
|
| 50 | 2 |
1.4%
|
|
| 55 | 1 |
0.7%
|
|
| 60 | 13 |
9%
|
|
| 65 | 1 |
0.7%
|
|
| 90 | 2 |
1.4%
|
|
| 100 | 1 |
0.7%
|
|
| Sysmiss | 775 |