| Value | Category | Cases | |
|---|---|---|---|
| 0 | 22 |
0.1%
|
|
| 1 | 0-10.5 mins | 723 |
4.2%
|
| 2 | 10.5-20 mins | 317 |
1.8%
|
| 3 | 20.5-30 mins | 181 |
1%
|
| 4 | 30.5-40 mins | 194 |
1.1%
|
| 5 | 40.5-60 mins | 242 |
1.4%
|
| 6 | >60 mins | 2693 |
15.6%
|
| 9 | Dk | 12882 |
74.7%
|
| Sysmiss | 5984 |