| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
7.3%
|
| 0 | 1 |
0.7%
|
|
| 2 | 5 |
3.6%
|
|
| 3 | 3 |
2.2%
|
|
| 4 | 4 |
2.9%
|
|
| 5 | 12 |
8.8%
|
|
| 6 | 9 |
6.6%
|
|
| 7 | 3 |
2.2%
|
|
| 8 | 7 |
5.1%
|
|
| 9 | 6 |
4.4%
|
|
| 10 | 6 |
4.4%
|
|
| 11 | 1 |
0.7%
|
|
| 12 | 5 |
3.6%
|
|
| 14 | 1 |
0.7%
|
|
| 15 | 4 |
2.9%
|
|
| 16 | 4 |
2.9%
|
|
| 17 | 3 |
2.2%
|
|
| 18 | 2 |
1.5%
|
|
| 20 | 1 |
0.7%
|
|
| 21 | 1 |
0.7%
|
|
| 22 | 2 |
1.5%
|
|
| 23 | 1 |
0.7%
|
|
| 27 | 1 |
0.7%
|
|
| 28 | 4 |
2.9%
|
|
| 29 | 3 |
2.2%
|
|
| 30 | 2 |
1.5%
|
|
| 31 | 1 |
0.7%
|
|
| 32 | 1 |
0.7%
|
|
| 33 | 1 |
0.7%
|
|
| 35 | 1 |
0.7%
|
|
| 40 | 3 |
2.2%
|
|
| 41 | 1 |
0.7%
|
|
| 42 | 1 |
0.7%
|
|
| 50 | 1 |
0.7%
|
|
| 51 | 1 |
0.7%
|
|
| 52 | 1 |
0.7%
|
|
| 53 | 1 |
0.7%
|
|
| 55 | 1 |
0.7%
|
|
| 58 | 1 |
0.7%
|
|
| 60 | 1 |
0.7%
|
|
| 68 | 2 |
1.5%
|
|
| 72 | 1 |
0.7%
|
|
| 80 | 1 |
0.7%
|
|
| 85 | 1 |
0.7%
|
|
| 87 | 1 |
0.7%
|
|
| 96 | 1 |
0.7%
|
|
| 100 | 2 |
1.5%
|
|
| 105 | 1 |
0.7%
|
|
| 119 | 1 |
0.7%
|
|
| 150 | 1 |
0.7%
|
|
| 170 | 1 |
0.7%
|
|
| 185 | 1 |
0.7%
|
|
| 194 | 1 |
0.7%
|
|
| 226 | 1 |
0.7%
|
|
| 274 | 1 |
0.7%
|
|
| 386 | 1 |
0.7%
|
|
| 502 | 1 |
0.7%
|
|
| 850 | 1 |
0.7%
|
|
| Sysmiss | 215 |