| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 22 |
8.9%
|
| 0 | 4 |
1.6%
|
|
| 1 | 6 |
2.4%
|
|
| 2 | 4 |
1.6%
|
|
| 3 | 10 |
4%
|
|
| 4 | 17 |
6.9%
|
|
| 5 | 16 |
6.5%
|
|
| 6 | 20 |
8.1%
|
|
| 7 | 16 |
6.5%
|
|
| 8 | 6 |
2.4%
|
|
| 9 | 7 |
2.8%
|
|
| 10 | 18 |
7.3%
|
|
| 11 | 5 |
2%
|
|
| 12 | 5 |
2%
|
|
| 13 | 4 |
1.6%
|
|
| 14 | 2 |
0.8%
|
|
| 15 | 2 |
0.8%
|
|
| 16 | 5 |
2%
|
|
| 17 | 3 |
1.2%
|
|
| 18 | 5 |
2%
|
|
| 19 | 2 |
0.8%
|
|
| 20 | 5 |
2%
|
|
| 22 | 1 |
0.4%
|
|
| 23 | 4 |
1.6%
|
|
| 24 | 5 |
2%
|
|
| 25 | 2 |
0.8%
|
|
| 28 | 2 |
0.8%
|
|
| 30 | 5 |
2%
|
|
| 31 | 1 |
0.4%
|
|
| 33 | 1 |
0.4%
|
|
| 35 | 1 |
0.4%
|
|
| 36 | 1 |
0.4%
|
|
| 38 | 1 |
0.4%
|
|
| 39 | 1 |
0.4%
|
|
| 40 | 1 |
0.4%
|
|
| 42 | 2 |
0.8%
|
|
| 43 | 2 |
0.8%
|
|
| 44 | 2 |
0.8%
|
|
| 45 | 1 |
0.4%
|
|
| 48 | 1 |
0.4%
|
|
| 50 | 1 |
0.4%
|
|
| 56 | 1 |
0.4%
|
|
| 59 | 1 |
0.4%
|
|
| 60 | 2 |
0.8%
|
|
| 64 | 1 |
0.4%
|
|
| 69 | 1 |
0.4%
|
|
| 75 | 1 |
0.4%
|
|
| 80 | 2 |
0.8%
|
|
| 84 | 1 |
0.4%
|
|
| 90 | 1 |
0.4%
|
|
| 98 | 1 |
0.4%
|
|
| 99 | 1 |
0.4%
|
|
| 100 | 1 |
0.4%
|
|
| 101 | 1 |
0.4%
|
|
| 123 | 1 |
0.4%
|
|
| 128 | 1 |
0.4%
|
|
| 130 | 1 |
0.4%
|
|
| 133 | 1 |
0.4%
|
|
| 143 | 1 |
0.4%
|
|
| 148 | 1 |
0.4%
|
|
| 174 | 1 |
0.4%
|
|
| 190 | 1 |
0.4%
|
|
| 238 | 1 |
0.4%
|
|
| 252 | 1 |
0.4%
|
|
| 387 | 1 |
0.4%
|
|
| 1070 | 1 |
0.4%
|
|
| 2231 | 1 |
0.4%
|
|
| Sysmiss | 162 |