| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
2%
|
| 1 | One hour or less | 8 |
5.3%
|
| 3 | 3 |
2%
|
|
| 5 | 3 |
2%
|
|
| 7 | 1 |
0.7%
|
|
| 14 | 1 |
0.7%
|
|
| 15 | 1 |
0.7%
|
|
| 30 | 90 |
60%
|
|
| 35 | 1 |
0.7%
|
|
| 36 | 1 |
0.7%
|
|
| 40 | 5 |
3.3%
|
|
| 45 | 1 |
0.7%
|
|
| 48 | 14 |
9.3%
|
|
| 70 | 1 |
0.7%
|
|
| 72 | 8 |
5.3%
|
|
| 80 | 7 |
4.7%
|
|
| 100 | 1 |
0.7%
|
|
| 504 | 1 |
0.7%
|