| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than 1 hour | 0 |
0%
|
| 7 | 1 |
2.9%
|
|
| 8 | 1 |
2.9%
|
|
| 9 | 1 |
2.9%
|
|
| 18 | 1 |
2.9%
|
|
| 20 | 1 |
2.9%
|
|
| 21 | 2 |
5.7%
|
|
| 24 | 2 |
5.7%
|
|
| 26 | 1 |
2.9%
|
|
| 27 | 1 |
2.9%
|
|
| 30 | 1 |
2.9%
|
|
| 33 | 1 |
2.9%
|
|
| 35 | 1 |
2.9%
|
|
| 49 | 1 |
2.9%
|
|
| 54 | 1 |
2.9%
|
|
| 56 | 9 |
25.7%
|
|
| 60 | 1 |
2.9%
|
|
| 64 | 1 |
2.9%
|
|
| 70 | 6 |
17.1%
|
|
| 77 | 1 |
2.9%
|
|
| 80 | 1 |
2.9%
|
|
| 98 | DK | 0 |
0%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 3288 |