| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 129 |
14.5%
|
| 0 | 82 |
9.2%
|
|
| 1 | 99 |
11.1%
|
|
| 2 | 114 |
12.8%
|
|
| 3 | 93 |
10.5%
|
|
| 4 | 53 |
6%
|
|
| 5 | 60 |
6.7%
|
|
| 6 | 25 |
2.8%
|
|
| 7 | 25 |
2.8%
|
|
| 8 | 32 |
3.6%
|
|
| 9 | 13 |
1.5%
|
|
| 10 | 29 |
3.3%
|
|
| 11 | 4 |
0.4%
|
|
| 12 | 12 |
1.3%
|
|
| 13 | 5 |
0.6%
|
|
| 14 | 3 |
0.3%
|
|
| 15 | 16 |
1.8%
|
|
| 16 | 5 |
0.6%
|
|
| 18 | 5 |
0.6%
|
|
| 19 | 3 |
0.3%
|
|
| 20 | 14 |
1.6%
|
|
| 21 | 3 |
0.3%
|
|
| 22 | 1 |
0.1%
|
|
| 23 | 2 |
0.2%
|
|
| 24 | 2 |
0.2%
|
|
| 25 | 7 |
0.8%
|
|
| 26 | 2 |
0.2%
|
|
| 27 | 1 |
0.1%
|
|
| 28 | 1 |
0.1%
|
|
| 30 | 9 |
1%
|
|
| 35 | 4 |
0.4%
|
|
| 36 | 4 |
0.4%
|
|
| 38 | 3 |
0.3%
|
|
| 40 | 6 |
0.7%
|
|
| 45 | 1 |
0.1%
|
|
| 50 | 1 |
0.1%
|
|
| 52 | 1 |
0.1%
|
|
| 56 | 1 |
0.1%
|
|
| 60 | 2 |
0.2%
|
|
| 61 | 1 |
0.1%
|
|
| 65 | 2 |
0.2%
|
|
| 68 | 2 |
0.2%
|
|
| 69 | 2 |
0.2%
|
|
| 70 | 2 |
0.2%
|
|
| 75 | 1 |
0.1%
|
|
| 80 | 1 |
0.1%
|
|
| 90 | 1 |
0.1%
|
|
| 108 | 1 |
0.1%
|
|
| 112 | 1 |
0.1%
|
|
| 150 | 1 |
0.1%
|
|
| 200 | 1 |
0.1%
|
|
| 1689 | 1 |
0.1%
|
|
| Sysmiss | 434 |