| Value | Category | Cases | |
|---|---|---|---|
| 1 | 14 minutes or less | 475 |
47.6%
|
| 2 | 15 - 29 minutes | 330 |
33.1%
|
| 3 | 30 - 44 minutes | 148 |
14.8%
|
| 4 | 45 - 59 minutes | 24 |
2.4%
|
| 5 | 60 minutes or more | 18 |
1.8%
|
| 6 | Do not know | 1 |
0.1%
|
| 9 | Unspecified | 2 |
0.2%
|