| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 135 |
16.1%
|
| 0 | 171 |
20.3%
|
|
| 1 | 45 |
5.4%
|
|
| 2 | 70 |
8.3%
|
|
| 3 | 37 |
4.4%
|
|
| 4 | 36 |
4.3%
|
|
| 5 | 40 |
4.8%
|
|
| 6 | 24 |
2.9%
|
|
| 7 | 16 |
1.9%
|
|
| 8 | 16 |
1.9%
|
|
| 9 | 8 |
1%
|
|
| 10 | 40 |
4.8%
|
|
| 11 | 5 |
0.6%
|
|
| 12 | 9 |
1.1%
|
|
| 13 | 2 |
0.2%
|
|
| 14 | 6 |
0.7%
|
|
| 15 | 12 |
1.4%
|
|
| 16 | 4 |
0.5%
|
|
| 17 | 4 |
0.5%
|
|
| 18 | 5 |
0.6%
|
|
| 19 | 1 |
0.1%
|
|
| 20 | 20 |
2.4%
|
|
| 22 | 6 |
0.7%
|
|
| 23 | 3 |
0.4%
|
|
| 24 | 3 |
0.4%
|
|
| 25 | 12 |
1.4%
|
|
| 27 | 1 |
0.1%
|
|
| 28 | 1 |
0.1%
|
|
| 29 | 2 |
0.2%
|
|
| 30 | 8 |
1%
|
|
| 33 | 1 |
0.1%
|
|
| 34 | 1 |
0.1%
|
|
| 35 | 4 |
0.5%
|
|
| 36 | 2 |
0.2%
|
|
| 37 | 1 |
0.1%
|
|
| 39 | 1 |
0.1%
|
|
| 40 | 9 |
1.1%
|
|
| 43 | 2 |
0.2%
|
|
| 45 | 2 |
0.2%
|
|
| 46 | 1 |
0.1%
|
|
| 48 | 1 |
0.1%
|
|
| 50 | 14 |
1.7%
|
|
| 52 | 1 |
0.1%
|
|
| 53 | 2 |
0.2%
|
|
| 60 | 7 |
0.8%
|
|
| 66 | 2 |
0.2%
|
|
| 68 | 1 |
0.1%
|
|
| 69 | 1 |
0.1%
|
|
| 70 | 3 |
0.4%
|
|
| 74 | 1 |
0.1%
|
|
| 75 | 2 |
0.2%
|
|
| 80 | 5 |
0.6%
|
|
| 88 | 1 |
0.1%
|
|
| 92 | 1 |
0.1%
|
|
| 93 | 2 |
0.2%
|
|
| 100 | 8 |
1%
|
|
| 105 | 1 |
0.1%
|
|
| 107 | 1 |
0.1%
|
|
| 118 | 1 |
0.1%
|
|
| 120 | 1 |
0.1%
|
|
| 130 | 1 |
0.1%
|
|
| 140 | 1 |
0.1%
|
|
| 150 | 2 |
0.2%
|
|
| 155 | 1 |
0.1%
|
|
| 174 | 1 |
0.1%
|
|
| 176 | 1 |
0.1%
|
|
| 200 | 3 |
0.4%
|
|
| 220 | 1 |
0.1%
|
|
| 232 | 1 |
0.1%
|
|
| 234 | 1 |
0.1%
|
|
| 300 | 1 |
0.1%
|
|
| 400 | 1 |
0.1%
|
|
| 441 | 1 |
0.1%
|
|
| 450 | 1 |
0.1%
|
|
| 514 | 1 |
0.1%
|
|
| 2247 | 1 |
0.1%
|
|
| Sysmiss | 398 |