| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 261 |
52%
|
| 1 | One hour or less | 0 |
0%
|
| 10 | 2 |
0.4%
|
|
| 12 | 1 |
0.2%
|
|
| 15 | 2 |
0.4%
|
|
| 30 | 37 |
7.4%
|
|
| 32 | 2 |
0.4%
|
|
| 35 | 12 |
2.4%
|
|
| 37 | 1 |
0.2%
|
|
| 40 | 33 |
6.6%
|
|
| 45 | 3 |
0.6%
|
|
| 48 | 1 |
0.2%
|
|
| 50 | 37 |
7.4%
|
|
| 52 | 4 |
0.8%
|
|
| 55 | 2 |
0.4%
|
|
| 60 | 16 |
3.2%
|
|
| 70 | 4 |
0.8%
|
|
| 80 | 2 |
0.4%
|
|
| 96 | 3 |
0.6%
|
|
| 100 | 12 |
2.4%
|
|
| 105 | 1 |
0.2%
|
|
| 120 | 1 |
0.2%
|
|
| 145 | 1 |
0.2%
|
|
| 180 | 1 |
0.2%
|
|
| 192 | 1 |
0.2%
|
|
| 200 | 4 |
0.8%
|
|
| 230 | 1 |
0.2%
|
|
| 240 | 3 |
0.6%
|
|
| 250 | 1 |
0.2%
|
|
| 300 | 4 |
0.8%
|
|
| 328 | 1 |
0.2%
|
|
| 350 | 1 |
0.2%
|
|
| 360 | 2 |
0.4%
|
|
| 380 | 1 |
0.2%
|
|
| 384 | 2 |
0.4%
|
|
| 400 | 1 |
0.2%
|
|
| 480 | 2 |
0.4%
|
|
| 520 | 2 |
0.4%
|
|
| 576 | 2 |
0.4%
|
|
| 600 | 3 |
0.6%
|
|
| 700 | 3 |
0.6%
|
|
| 800 | 3 |
0.6%
|
|
| 832 | 1 |
0.2%
|
|
| 850 | 3 |
0.6%
|
|
| 1000 | 5 |
1%
|
|
| 1200 | 4 |
0.8%
|
|
| 1300 | 1 |
0.2%
|
|
| 1500 | 8 |
1.6%
|
|
| 2000 | 2 |
0.4%
|
|
| 4000 | 1 |
0.2%
|
|
| 7200 | 1 |
0.2%
|