| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 30 minutes | 1819 |
64.9%
|
| 2 | 30 minutes to 1 hour | 771 |
27.5%
|
| 3 | 1 - 5 Hours | 205 |
7.3%
|
| 4 | More than 5 Hours | 9 |
0.3%
|
| Sysmiss | 143 |