| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.6%
|
| 0 | Less than one day | 1 |
0.6%
|
| 1 | 5 |
2.9%
|
|
| 2 | 9 |
5.3%
|
|
| 3 | 21 |
12.3%
|
|
| 4 | 6 |
3.5%
|
|
| 5 | 20 |
11.7%
|
|
| 6 | 5 |
2.9%
|
|
| 7 | 24 |
14%
|
|
| 8 | 1 |
0.6%
|
|
| 9 | 3 |
1.8%
|
|
| 10 | 7 |
4.1%
|
|
| 11 | 1 |
0.6%
|
|
| 12 | 2 |
1.2%
|
|
| 14 | 2 |
1.2%
|
|
| 15 | 7 |
4.1%
|
|
| 17 | 1 |
0.6%
|
|
| 18 | 1 |
0.6%
|
|
| 21 | 6 |
3.5%
|
|
| 25 | 2 |
1.2%
|
|
| 26 | 1 |
0.6%
|
|
| 28 | 1 |
0.6%
|
|
| 30 | 18 |
10.5%
|
|
| 35 | 3 |
1.8%
|
|
| 45 | 4 |
2.3%
|
|
| 47 | 1 |
0.6%
|
|
| 49 | 2 |
1.2%
|
|
| 50 | 1 |
0.6%
|
|
| 52 | 2 |
1.2%
|
|
| 60 | 6 |
3.5%
|
|
| 61 | 1 |
0.6%
|
|
| 70 | 1 |
0.6%
|
|
| 90 | 1 |
0.6%
|
|
| 120 | 2 |
1.2%
|
|
| 124 | 1 |
0.6%
|
|
| 184 | 1 |
0.6%
|
|
| Sysmiss | 182 |