| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 19 |
6.1%
|
| 1 | One hour or less | 0 |
0%
|
| 8 | 4 |
1.3%
|
|
| 10 | 8 |
2.6%
|
|
| 12 | 6 |
1.9%
|
|
| 15 | 5 |
1.6%
|
|
| 16 | 3 |
1%
|
|
| 20 | 1 |
0.3%
|
|
| 22 | 1 |
0.3%
|
|
| 30 | 13 |
4.2%
|
|
| 32 | 2 |
0.6%
|
|
| 35 | 5 |
1.6%
|
|
| 36 | 1 |
0.3%
|
|
| 37 | 1 |
0.3%
|
|
| 38 | 1 |
0.3%
|
|
| 40 | 9 |
2.9%
|
|
| 42 | 1 |
0.3%
|
|
| 45 | 3 |
1%
|
|
| 48 | 3 |
1%
|
|
| 50 | 13 |
4.2%
|
|
| 55 | 2 |
0.6%
|
|
| 60 | 15 |
4.8%
|
|
| 64 | 1 |
0.3%
|
|
| 65 | 3 |
1%
|
|
| 70 | 6 |
1.9%
|
|
| 75 | 1 |
0.3%
|
|
| 78 | 2 |
0.6%
|
|
| 80 | 17 |
5.5%
|
|
| 85 | 3 |
1%
|
|
| 90 | 7 |
2.3%
|
|
| 96 | 1 |
0.3%
|
|
| 100 | 24 |
7.7%
|
|
| 110 | 1 |
0.3%
|
|
| 120 | 18 |
5.8%
|
|
| 130 | 5 |
1.6%
|
|
| 140 | 2 |
0.6%
|
|
| 150 | 26 |
8.4%
|
|
| 158 | 1 |
0.3%
|
|
| 160 | 5 |
1.6%
|
|
| 170 | 1 |
0.3%
|
|
| 180 | 19 |
6.1%
|
|
| 190 | 4 |
1.3%
|
|
| 200 | 12 |
3.9%
|
|
| 220 | 1 |
0.3%
|
|
| 240 | 1 |
0.3%
|
|
| 250 | 4 |
1.3%
|
|
| 300 | 12 |
3.9%
|
|
| 350 | 1 |
0.3%
|
|
| 400 | 4 |
1.3%
|
|
| 432 | 1 |
0.3%
|
|
| 480 | 1 |
0.3%
|
|
| 500 | 3 |
1%
|
|
| 600 | 2 |
0.6%
|
|
| 1000 | 2 |
0.6%
|
|
| 1200 | 1 |
0.3%
|
|
| 1500 | 2 |
0.6%
|
|
| 2400 | 1 |
0.3%
|
|
| Sysmiss | 289 |