| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 190 |
33.9%
|
| 1 | One hour or less | 4 |
0.7%
|
| 5 | 2 |
0.4%
|
|
| 7 | 1 |
0.2%
|
|
| 14 | 1 |
0.2%
|
|
| 20 | 1 |
0.2%
|
|
| 24 | 3 |
0.5%
|
|
| 30 | 15 |
2.7%
|
|
| 32 | 1 |
0.2%
|
|
| 36 | 4 |
0.7%
|
|
| 40 | 4 |
0.7%
|
|
| 42 | 1 |
0.2%
|
|
| 44 | 1 |
0.2%
|
|
| 45 | 2 |
0.4%
|
|
| 48 | 13 |
2.3%
|
|
| 50 | 19 |
3.4%
|
|
| 56 | 1 |
0.2%
|
|
| 60 | 5 |
0.9%
|
|
| 70 | 1 |
0.2%
|
|
| 72 | 3 |
0.5%
|
|
| 75 | 2 |
0.4%
|
|
| 80 | 11 |
2%
|
|
| 90 | 1 |
0.2%
|
|
| 96 | 1 |
0.2%
|
|
| 100 | 15 |
2.7%
|
|
| 105 | 5 |
0.9%
|
|
| 110 | 2 |
0.4%
|
|
| 112 | 4 |
0.7%
|
|
| 120 | 15 |
2.7%
|
|
| 124 | 1 |
0.2%
|
|
| 140 | 1 |
0.2%
|
|
| 150 | 20 |
3.6%
|
|
| 160 | 3 |
0.5%
|
|
| 168 | 2 |
0.4%
|
|
| 175 | 2 |
0.4%
|
|
| 180 | 6 |
1.1%
|
|
| 200 | 48 |
8.6%
|
|
| 220 | 1 |
0.2%
|
|
| 240 | 3 |
0.5%
|
|
| 250 | 24 |
4.3%
|
|
| 280 | 2 |
0.4%
|
|
| 288 | 2 |
0.4%
|
|
| 300 | 28 |
5%
|
|
| 320 | 3 |
0.5%
|
|
| 340 | 1 |
0.2%
|
|
| 350 | 20 |
3.6%
|
|
| 400 | 26 |
4.6%
|
|
| 450 | 15 |
2.7%
|
|
| 500 | 9 |
1.6%
|
|
| 550 | 1 |
0.2%
|
|
| 600 | 8 |
1.4%
|
|
| 624 | 2 |
0.4%
|
|
| 800 | 2 |
0.4%
|
|
| 1500 | 2 |
0.4%
|
|
| Sysmiss | 442 |