| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 78 |
24.4%
|
| 1 | One hour or less | 4 |
1.3%
|
| 2 | 1 |
0.3%
|
|
| 3 | 2 |
0.6%
|
|
| 5 | 2 |
0.6%
|
|
| 8 | 4 |
1.3%
|
|
| 10 | 4 |
1.3%
|
|
| 12 | 2 |
0.6%
|
|
| 15 | 2 |
0.6%
|
|
| 16 | 1 |
0.3%
|
|
| 20 | 7 |
2.2%
|
|
| 24 | 4 |
1.3%
|
|
| 25 | 2 |
0.6%
|
|
| 30 | 12 |
3.8%
|
|
| 35 | 1 |
0.3%
|
|
| 38 | 4 |
1.3%
|
|
| 40 | 12 |
3.8%
|
|
| 45 | 1 |
0.3%
|
|
| 48 | 3 |
0.9%
|
|
| 50 | 18 |
5.6%
|
|
| 60 | 9 |
2.8%
|
|
| 70 | 1 |
0.3%
|
|
| 80 | 9 |
2.8%
|
|
| 96 | 2 |
0.6%
|
|
| 100 | 22 |
6.9%
|
|
| 120 | 12 |
3.8%
|
|
| 128 | 1 |
0.3%
|
|
| 140 | 1 |
0.3%
|
|
| 144 | 1 |
0.3%
|
|
| 150 | 6 |
1.9%
|
|
| 160 | 5 |
1.6%
|
|
| 176 | 1 |
0.3%
|
|
| 180 | 5 |
1.6%
|
|
| 192 | 2 |
0.6%
|
|
| 200 | 18 |
5.6%
|
|
| 225 | 1 |
0.3%
|
|
| 230 | 1 |
0.3%
|
|
| 240 | 3 |
0.9%
|
|
| 250 | 5 |
1.6%
|
|
| 260 | 1 |
0.3%
|
|
| 288 | 1 |
0.3%
|
|
| 300 | 4 |
1.3%
|
|
| 312 | 2 |
0.6%
|
|
| 320 | 1 |
0.3%
|
|
| 350 | 2 |
0.6%
|
|
| 360 | 1 |
0.3%
|
|
| 384 | 1 |
0.3%
|
|
| 400 | 6 |
1.9%
|
|
| 416 | 1 |
0.3%
|
|
| 420 | 1 |
0.3%
|
|
| 432 | 1 |
0.3%
|
|
| 450 | 2 |
0.6%
|
|
| 490 | 1 |
0.3%
|
|
| 500 | 2 |
0.6%
|
|
| 600 | 3 |
0.9%
|
|
| 700 | 1 |
0.3%
|
|
| 750 | 1 |
0.3%
|
|
| 800 | 5 |
1.6%
|
|
| 1000 | 3 |
0.9%
|
|
| 1040 | 1 |
0.3%
|
|
| 1050 | 1 |
0.3%
|
|
| 1670 | 1 |
0.3%
|
|
| 2000 | 1 |
0.3%
|
|
| 2080 | 1 |
0.3%
|
|
| 2500 | 2 |
0.6%
|
|
| 3900 | 1 |
0.3%
|
|
| 4000 | 1 |
0.3%
|
|
| 4800 | 1 |
0.3%
|
|
| 6000 | 1 |
0.3%
|