| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 73 |
7.9%
|
| 0 | 139 |
15.1%
|
|
| 1 | 191 |
20.7%
|
|
| 2 | 155 |
16.8%
|
|
| 3 | 93 |
10.1%
|
|
| 4 | 51 |
5.5%
|
|
| 5 | 41 |
4.5%
|
|
| 6 | 22 |
2.4%
|
|
| 7 | 17 |
1.8%
|
|
| 8 | 16 |
1.7%
|
|
| 9 | 7 |
0.8%
|
|
| 10 | 25 |
2.7%
|
|
| 11 | 6 |
0.7%
|
|
| 12 | 8 |
0.9%
|
|
| 13 | 2 |
0.2%
|
|
| 14 | 3 |
0.3%
|
|
| 15 | 19 |
2.1%
|
|
| 16 | 1 |
0.1%
|
|
| 17 | 2 |
0.2%
|
|
| 18 | 3 |
0.3%
|
|
| 20 | 8 |
0.9%
|
|
| 21 | 1 |
0.1%
|
|
| 25 | 2 |
0.2%
|
|
| 28 | 1 |
0.1%
|
|
| 30 | 3 |
0.3%
|
|
| 32 | 1 |
0.1%
|
|
| 34 | 3 |
0.3%
|
|
| 35 | 1 |
0.1%
|
|
| 39 | 1 |
0.1%
|
|
| 40 | 5 |
0.5%
|
|
| 47 | 1 |
0.1%
|
|
| 50 | 4 |
0.4%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 5 |
0.5%
|
|
| 69 | 1 |
0.1%
|
|
| 75 | 1 |
0.1%
|
|
| 80 | 1 |
0.1%
|
|
| 93 | 1 |
0.1%
|
|
| 95 | 1 |
0.1%
|
|
| 97 | 1 |
0.1%
|
|
| 100 | 3 |
0.3%
|
|
| 110 | 1 |
0.1%
|
|
| Sysmiss | 525 |