| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
3%
|
| 0 | 3 |
1.5%
|
|
| 1 | 15 |
7.5%
|
|
| 2 | 23 |
11.5%
|
|
| 3 | 27 |
13.5%
|
|
| 4 | 15 |
7.5%
|
|
| 5 | 19 |
9.5%
|
|
| 6 | 12 |
6%
|
|
| 7 | 3 |
1.5%
|
|
| 8 | 5 |
2.5%
|
|
| 9 | 2 |
1%
|
|
| 10 | 16 |
8%
|
|
| 11 | 4 |
2%
|
|
| 12 | 2 |
1%
|
|
| 14 | 1 |
0.5%
|
|
| 15 | 5 |
2.5%
|
|
| 16 | 1 |
0.5%
|
|
| 19 | 1 |
0.5%
|
|
| 20 | 8 |
4%
|
|
| 22 | 2 |
1%
|
|
| 25 | 5 |
2.5%
|
|
| 30 | 2 |
1%
|
|
| 35 | 1 |
0.5%
|
|
| 37 | 1 |
0.5%
|
|
| 40 | 2 |
1%
|
|
| 42 | 1 |
0.5%
|
|
| 45 | 1 |
0.5%
|
|
| 49 | 1 |
0.5%
|
|
| 50 | 3 |
1.5%
|
|
| 60 | 1 |
0.5%
|
|
| 70 | 2 |
1%
|
|
| 80 | 1 |
0.5%
|
|
| 90 | 1 |
0.5%
|
|
| 100 | 1 |
0.5%
|
|
| 110 | 1 |
0.5%
|
|
| 120 | 1 |
0.5%
|
|
| 141 | 1 |
0.5%
|
|
| 200 | 3 |
1.5%
|
|
| 510 | 1 |
0.5%
|
|
| Sysmiss | 381 |