| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 57 |
5.2%
|
| 0 | 296 |
27.1%
|
|
| 1 | 225 |
20.6%
|
|
| 2 | 142 |
13%
|
|
| 3 | 78 |
7.1%
|
|
| 4 | 58 |
5.3%
|
|
| 5 | 38 |
3.5%
|
|
| 6 | 17 |
1.6%
|
|
| 7 | 23 |
2.1%
|
|
| 8 | 25 |
2.3%
|
|
| 9 | 5 |
0.5%
|
|
| 10 | 24 |
2.2%
|
|
| 11 | 4 |
0.4%
|
|
| 12 | 10 |
0.9%
|
|
| 13 | 2 |
0.2%
|
|
| 14 | 3 |
0.3%
|
|
| 15 | 13 |
1.2%
|
|
| 16 | 3 |
0.3%
|
|
| 17 | 5 |
0.5%
|
|
| 18 | 3 |
0.3%
|
|
| 19 | 1 |
0.1%
|
|
| 20 | 5 |
0.5%
|
|
| 21 | 1 |
0.1%
|
|
| 22 | 1 |
0.1%
|
|
| 24 | 1 |
0.1%
|
|
| 25 | 2 |
0.2%
|
|
| 28 | 1 |
0.1%
|
|
| 30 | 13 |
1.2%
|
|
| 31 | 1 |
0.1%
|
|
| 32 | 1 |
0.1%
|
|
| 35 | 5 |
0.5%
|
|
| 36 | 2 |
0.2%
|
|
| 38 | 2 |
0.2%
|
|
| 39 | 1 |
0.1%
|
|
| 40 | 1 |
0.1%
|
|
| 41 | 1 |
0.1%
|
|
| 42 | 2 |
0.2%
|
|
| 45 | 2 |
0.2%
|
|
| 50 | 4 |
0.4%
|
|
| 53 | 1 |
0.1%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 2 |
0.2%
|
|
| 64 | 1 |
0.1%
|
|
| 65 | 1 |
0.1%
|
|
| 71 | 1 |
0.1%
|
|
| 75 | 2 |
0.2%
|
|
| 87 | 1 |
0.1%
|
|
| 94 | 1 |
0.1%
|
|
| 100 | 1 |
0.1%
|
|
| 142 | 1 |
0.1%
|
|
| 153 | 1 |
0.1%
|
|
| Sysmiss | 903 |