| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 11 |
8.3%
|
| 1 | less than one day | 12 |
9.1%
|
| 2 | 3 |
2.3%
|
|
| 3 | 4 |
3%
|
|
| 5 | 9 |
6.8%
|
|
| 7 | 9 |
6.8%
|
|
| 10 | 10 |
7.6%
|
|
| 14 | 2 |
1.5%
|
|
| 15 | 6 |
4.5%
|
|
| 18 | 1 |
0.8%
|
|
| 20 | 8 |
6.1%
|
|
| 30 | 25 |
18.9%
|
|
| 35 | 1 |
0.8%
|
|
| 40 | 2 |
1.5%
|
|
| 45 | 1 |
0.8%
|
|
| 60 | 6 |
4.5%
|
|
| 70 | 1 |
0.8%
|
|
| 75 | 2 |
1.5%
|
|
| 90 | 5 |
3.8%
|
|
| 100 | 3 |
2.3%
|
|
| 120 | 1 |
0.8%
|
|
| 124 | 1 |
0.8%
|
|
| 132 | 1 |
0.8%
|
|
| 180 | 2 |
1.5%
|
|
| 200 | 1 |
0.8%
|
|
| 270 | 1 |
0.8%
|
|
| 300 | 1 |
0.8%
|
|
| 360 | 1 |
0.8%
|
|
| 400 | 1 |
0.8%
|
|
| 1400 | 1 |
0.8%
|
|
| Sysmiss | 954 |