| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
5.8%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 1 | One day or less | 0 |
0%
|
| 2 | 2 |
1.9%
|
|
| 3 | 5 |
4.9%
|
|
| 4 | 3 |
2.9%
|
|
| 5 | 5 |
4.9%
|
|
| 6 | 2 |
1.9%
|
|
| 7 | 16 |
15.5%
|
|
| 8 | 2 |
1.9%
|
|
| 10 | 8 |
7.8%
|
|
| 14 | 13 |
12.6%
|
|
| 15 | 1 |
1%
|
|
| 18 | 1 |
1%
|
|
| 20 | 3 |
2.9%
|
|
| 21 | 4 |
3.9%
|
|
| 30 | 13 |
12.6%
|
|
| 40 | 1 |
1%
|
|
| 45 | 1 |
1%
|
|
| 49 | 1 |
1%
|
|
| 60 | 7 |
6.8%
|
|
| 90 | 6 |
5.8%
|
|
| 120 | 1 |
1%
|
|
| 150 | 1 |
1%
|
|
| 180 | 1 |
1%
|
|
| Sysmiss | 130 |