| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
2.4%
|
| 1 | Less than one day | 2 |
1.2%
|
| 3 | 1 |
0.6%
|
|
| 10 | 1 |
0.6%
|
|
| 12 | 1 |
0.6%
|
|
| 14 | 2 |
1.2%
|
|
| 15 | 7 |
4.2%
|
|
| 20 | 2 |
1.2%
|
|
| 30 | 64 |
38.1%
|
|
| 35 | 2 |
1.2%
|
|
| 40 | 4 |
2.4%
|
|
| 45 | 7 |
4.2%
|
|
| 60 | 30 |
17.9%
|
|
| 70 | 2 |
1.2%
|
|
| 75 | 1 |
0.6%
|
|
| 90 | 20 |
11.9%
|
|
| 100 | 1 |
0.6%
|
|
| 105 | 1 |
0.6%
|
|
| 120 | 8 |
4.8%
|
|
| 160 | 1 |
0.6%
|
|
| 180 | 3 |
1.8%
|
|
| 200 | 1 |
0.6%
|
|
| 240 | 1 |
0.6%
|
|
| 364 | 1 |
0.6%
|
|
| 365 | 1 |
0.6%
|
|
| Sysmiss | 839 |