| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 36 |
25.7%
|
| 1 | One hour or less | 4 |
2.9%
|
| 3 | 3 |
2.1%
|
|
| 4 | 1 |
0.7%
|
|
| 5 | 4 |
2.9%
|
|
| 6 | 1 |
0.7%
|
|
| 7 | 2 |
1.4%
|
|
| 8 | 4 |
2.9%
|
|
| 9 | 1 |
0.7%
|
|
| 10 | 4 |
2.9%
|
|
| 11 | 1 |
0.7%
|
|
| 12 | 2 |
1.4%
|
|
| 15 | 2 |
1.4%
|
|
| 16 | 4 |
2.9%
|
|
| 20 | 3 |
2.1%
|
|
| 24 | 2 |
1.4%
|
|
| 25 | 3 |
2.1%
|
|
| 30 | 8 |
5.7%
|
|
| 31 | 1 |
0.7%
|
|
| 32 | 3 |
2.1%
|
|
| 34 | 4 |
2.9%
|
|
| 35 | 4 |
2.9%
|
|
| 36 | 1 |
0.7%
|
|
| 40 | 7 |
5%
|
|
| 42 | 1 |
0.7%
|
|
| 44 | 2 |
1.4%
|
|
| 45 | 1 |
0.7%
|
|
| 48 | 8 |
5.7%
|
|
| 50 | 2 |
1.4%
|
|
| 52 | 1 |
0.7%
|
|
| 60 | 1 |
0.7%
|
|
| 65 | 1 |
0.7%
|
|
| 77 | 1 |
0.7%
|
|
| 80 | 3 |
2.1%
|
|
| 90 | 1 |
0.7%
|
|
| 100 | 5 |
3.6%
|
|
| 110 | 1 |
0.7%
|
|
| 120 | 2 |
1.4%
|
|
| 125 | 2 |
1.4%
|
|
| 150 | 1 |
0.7%
|
|
| 160 | 2 |
1.4%
|
|
| Sysmiss | 238 |