| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 174 |
19.6%
|
| 0 | 258 |
29%
|
|
| 1 | 32 |
3.6%
|
|
| 2 | 54 |
6.1%
|
|
| 3 | 37 |
4.2%
|
|
| 4 | 22 |
2.5%
|
|
| 5 | 60 |
6.7%
|
|
| 6 | 23 |
2.6%
|
|
| 7 | 10 |
1.1%
|
|
| 8 | 11 |
1.2%
|
|
| 9 | 5 |
0.6%
|
|
| 10 | 27 |
3%
|
|
| 11 | 10 |
1.1%
|
|
| 12 | 8 |
0.9%
|
|
| 13 | 4 |
0.4%
|
|
| 14 | 8 |
0.9%
|
|
| 15 | 12 |
1.3%
|
|
| 16 | 6 |
0.7%
|
|
| 17 | 2 |
0.2%
|
|
| 18 | 1 |
0.1%
|
|
| 19 | 2 |
0.2%
|
|
| 20 | 14 |
1.6%
|
|
| 21 | 2 |
0.2%
|
|
| 23 | 1 |
0.1%
|
|
| 25 | 6 |
0.7%
|
|
| 26 | 2 |
0.2%
|
|
| 27 | 1 |
0.1%
|
|
| 28 | 5 |
0.6%
|
|
| 29 | 3 |
0.3%
|
|
| 30 | 8 |
0.9%
|
|
| 31 | 1 |
0.1%
|
|
| 32 | 2 |
0.2%
|
|
| 33 | 4 |
0.4%
|
|
| 34 | 1 |
0.1%
|
|
| 35 | 6 |
0.7%
|
|
| 36 | 1 |
0.1%
|
|
| 40 | 7 |
0.8%
|
|
| 42 | 2 |
0.2%
|
|
| 44 | 2 |
0.2%
|
|
| 45 | 5 |
0.6%
|
|
| 49 | 1 |
0.1%
|
|
| 50 | 7 |
0.8%
|
|
| 52 | 2 |
0.2%
|
|
| 54 | 1 |
0.1%
|
|
| 55 | 2 |
0.2%
|
|
| 57 | 1 |
0.1%
|
|
| 60 | 3 |
0.3%
|
|
| 65 | 1 |
0.1%
|
|
| 70 | 4 |
0.4%
|
|
| 80 | 1 |
0.1%
|
|
| 84 | 1 |
0.1%
|
|
| 85 | 1 |
0.1%
|
|
| 90 | 1 |
0.1%
|
|
| 95 | 1 |
0.1%
|
|
| 96 | 1 |
0.1%
|
|
| 98 | 1 |
0.1%
|
|
| 100 | 3 |
0.3%
|
|
| 105 | 1 |
0.1%
|
|
| 108 | 1 |
0.1%
|
|
| 115 | 1 |
0.1%
|
|
| 120 | 1 |
0.1%
|
|
| 136 | 1 |
0.1%
|
|
| 140 | 1 |
0.1%
|
|
| 150 | 1 |
0.1%
|
|
| 158 | 1 |
0.1%
|
|
| 170 | 1 |
0.1%
|
|
| 195 | 1 |
0.1%
|
|
| 200 | 1 |
0.1%
|
|
| 225 | 1 |
0.1%
|
|
| 229 | 1 |
0.1%
|
|
| 240 | 1 |
0.1%
|
|
| 255 | 1 |
0.1%
|
|
| 345 | 1 |
0.1%
|
|
| 370 | 1 |
0.1%
|
|
| 802 | 1 |
0.1%
|
|
| Sysmiss | 434 |