| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
2.9%
|
| 0 | 44 |
21.5%
|
|
| 1 | 25 |
12.2%
|
|
| 2 | 27 |
13.2%
|
|
| 3 | 8 |
3.9%
|
|
| 4 | 5 |
2.4%
|
|
| 5 | 11 |
5.4%
|
|
| 6 | 7 |
3.4%
|
|
| 7 | 4 |
2%
|
|
| 8 | 9 |
4.4%
|
|
| 9 | 2 |
1%
|
|
| 10 | 5 |
2.4%
|
|
| 12 | 2 |
1%
|
|
| 13 | 1 |
0.5%
|
|
| 14 | 1 |
0.5%
|
|
| 15 | 2 |
1%
|
|
| 16 | 1 |
0.5%
|
|
| 17 | 6 |
2.9%
|
|
| 18 | 3 |
1.5%
|
|
| 19 | 1 |
0.5%
|
|
| 20 | 3 |
1.5%
|
|
| 21 | 2 |
1%
|
|
| 23 | 1 |
0.5%
|
|
| 25 | 2 |
1%
|
|
| 28 | 3 |
1.5%
|
|
| 30 | 4 |
2%
|
|
| 35 | 2 |
1%
|
|
| 37 | 1 |
0.5%
|
|
| 40 | 2 |
1%
|
|
| 50 | 1 |
0.5%
|
|
| 60 | 2 |
1%
|
|
| 73 | 1 |
0.5%
|
|
| 80 | 2 |
1%
|
|
| 90 | 1 |
0.5%
|
|
| 100 | 1 |
0.5%
|
|
| 101 | 1 |
0.5%
|
|
| 105 | 1 |
0.5%
|
|
| 123 | 1 |
0.5%
|
|
| 136 | 1 |
0.5%
|
|
| 320 | 1 |
0.5%
|
|
| 1100 | 1 |
0.5%
|
|
| 1200 | 1 |
0.5%
|
|
| Sysmiss | 802 |