| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 94 |
18.8%
|
| -7 | Does not apply | 67 |
13.4%
|
| 1 | One day or less | 84 |
16.8%
|
| 2 | 56 |
11.2%
|
|
| 3 | 37 |
7.4%
|
|
| 4 | 21 |
4.2%
|
|
| 5 | 23 |
4.6%
|
|
| 6 | 2 |
0.4%
|
|
| 7 | 38 |
7.6%
|
|
| 8 | 3 |
0.6%
|
|
| 10 | 12 |
2.4%
|
|
| 14 | 11 |
2.2%
|
|
| 15 | 2 |
0.4%
|
|
| 20 | 3 |
0.6%
|
|
| 21 | 8 |
1.6%
|
|
| 28 | 5 |
1%
|
|
| 30 | 14 |
2.8%
|
|
| 34 | 1 |
0.2%
|
|
| 35 | 3 |
0.6%
|
|
| 40 | 2 |
0.4%
|
|
| 42 | 6 |
1.2%
|
|
| 45 | 1 |
0.2%
|
|
| 60 | 5 |
1%
|
|
| 90 | 1 |
0.2%
|
|
| Sysmiss | 496 |