| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 139 |
36.2%
|
| 1 | One hour or less | 13 |
3.4%
|
| 2 | 1 |
0.3%
|
|
| 3 | 2 |
0.5%
|
|
| 4 | 2 |
0.5%
|
|
| 5 | 2 |
0.5%
|
|
| 8 | 4 |
1%
|
|
| 10 | 3 |
0.8%
|
|
| 15 | 2 |
0.5%
|
|
| 16 | 1 |
0.3%
|
|
| 20 | 6 |
1.6%
|
|
| 24 | 1 |
0.3%
|
|
| 30 | 8 |
2.1%
|
|
| 35 | 2 |
0.5%
|
|
| 36 | 1 |
0.3%
|
|
| 40 | 10 |
2.6%
|
|
| 45 | 1 |
0.3%
|
|
| 48 | 2 |
0.5%
|
|
| 50 | 15 |
3.9%
|
|
| 52 | 1 |
0.3%
|
|
| 55 | 1 |
0.3%
|
|
| 60 | 13 |
3.4%
|
|
| 65 | 1 |
0.3%
|
|
| 70 | 8 |
2.1%
|
|
| 78 | 2 |
0.5%
|
|
| 80 | 14 |
3.6%
|
|
| 85 | 2 |
0.5%
|
|
| 96 | 1 |
0.3%
|
|
| 100 | 13 |
3.4%
|
|
| 104 | 1 |
0.3%
|
|
| 120 | 18 |
4.7%
|
|
| 125 | 44 |
11.5%
|
|
| 140 | 1 |
0.3%
|
|
| 150 | 6 |
1.6%
|
|
| 160 | 1 |
0.3%
|
|
| 180 | 1 |
0.3%
|
|
| 192 | 1 |
0.3%
|
|
| 200 | 10 |
2.6%
|
|
| 208 | 2 |
0.5%
|
|
| 216 | 1 |
0.3%
|
|
| 240 | 1 |
0.3%
|
|
| 250 | 1 |
0.3%
|
|
| 300 | 3 |
0.8%
|
|
| 350 | 1 |
0.3%
|
|
| 400 | 3 |
0.8%
|
|
| 480 | 1 |
0.3%
|
|
| 500 | 5 |
1.3%
|
|
| 528 | 1 |
0.3%
|
|
| 530 | 1 |
0.3%
|
|
| 600 | 3 |
0.8%
|
|
| 700 | 2 |
0.5%
|
|
| 740 | 1 |
0.3%
|
|
| 744 | 4 |
1%
|
|
| Sysmiss | 466 |