| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 0 |
0%
|
| 1 | 1 |
1%
|
|
| 2 | 1 |
1%
|
|
| 3 | 5 |
5.1%
|
|
| 4 | 2 |
2%
|
|
| 5 | 2 |
2%
|
|
| 6 | 3 |
3.1%
|
|
| 7 | 9 |
9.2%
|
|
| 8 | 1 |
1%
|
|
| 10 | 6 |
6.1%
|
|
| 11 | 1 |
1%
|
|
| 12 | 2 |
2%
|
|
| 14 | 2 |
2%
|
|
| 15 | 4 |
4.1%
|
|
| 20 | 6 |
6.1%
|
|
| 21 | 2 |
2%
|
|
| 25 | 2 |
2%
|
|
| 30 | 15 |
15.3%
|
|
| 35 | 2 |
2%
|
|
| 40 | 6 |
6.1%
|
|
| 43 | 1 |
1%
|
|
| 45 | 11 |
11.2%
|
|
| 48 | 1 |
1%
|
|
| 50 | 1 |
1%
|
|
| 60 | 10 |
10.2%
|
|
| 80 | 1 |
1%
|
|
| 90 | 1 |
1%
|
|
| Sysmiss | 551 |