| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
6.8%
|
| 7 | 5 |
3.4%
|
|
| 8 | 5 |
3.4%
|
|
| 9 | 2 |
1.4%
|
|
| 10 | 4 |
2.7%
|
|
| 11 | 3 |
2%
|
|
| 12 | 7 |
4.7%
|
|
| 13 | 6 |
4.1%
|
|
| 14 | 5 |
3.4%
|
|
| 15 | 11 |
7.4%
|
|
| 16 | 3 |
2%
|
|
| 17 | 1 |
0.7%
|
|
| 18 | 1 |
0.7%
|
|
| 19 | 3 |
2%
|
|
| 20 | 10 |
6.8%
|
|
| 21 | 2 |
1.4%
|
|
| 22 | 4 |
2.7%
|
|
| 24 | 5 |
3.4%
|
|
| 25 | 3 |
2%
|
|
| 26 | 1 |
0.7%
|
|
| 27 | 1 |
0.7%
|
|
| 28 | 3 |
2%
|
|
| 30 | 6 |
4.1%
|
|
| 32 | 3 |
2%
|
|
| 33 | 2 |
1.4%
|
|
| 34 | 1 |
0.7%
|
|
| 35 | 2 |
1.4%
|
|
| 36 | 1 |
0.7%
|
|
| 38 | 2 |
1.4%
|
|
| 40 | 2 |
1.4%
|
|
| 44 | 1 |
0.7%
|
|
| 48 | 2 |
1.4%
|
|
| 50 | 2 |
1.4%
|
|
| 51 | 1 |
0.7%
|
|
| 52 | 1 |
0.7%
|
|
| 54 | 3 |
2%
|
|
| 58 | 1 |
0.7%
|
|
| 65 | 1 |
0.7%
|
|
| 69 | 1 |
0.7%
|
|
| 70 | 2 |
1.4%
|
|
| 73 | 2 |
1.4%
|
|
| 74 | 2 |
1.4%
|
|
| 77 | 1 |
0.7%
|
|
| 82 | 1 |
0.7%
|
|
| 91 | 1 |
0.7%
|
|
| 92 | 1 |
0.7%
|
|
| 96 | 1 |
0.7%
|
|
| 102 | 1 |
0.7%
|
|
| 106 | 1 |
0.7%
|
|
| 115 | 1 |
0.7%
|
|
| 120 | 1 |
0.7%
|
|
| 124 | 1 |
0.7%
|
|
| 145 | 1 |
0.7%
|
|
| 148 | 1 |
0.7%
|
|
| 178 | 1 |
0.7%
|
|
| 180 | 1 |
0.7%
|
|
| 230 | 1 |
0.7%
|
|
| Sysmiss | 452 |