| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 37 |
10.1%
|
| 0 | 176 |
48%
|
|
| 1 | 11 |
3%
|
|
| 2 | 19 |
5.2%
|
|
| 3 | 9 |
2.5%
|
|
| 4 | 5 |
1.4%
|
|
| 5 | 18 |
4.9%
|
|
| 6 | 8 |
2.2%
|
|
| 7 | 5 |
1.4%
|
|
| 8 | 4 |
1.1%
|
|
| 9 | 2 |
0.5%
|
|
| 10 | 9 |
2.5%
|
|
| 11 | 2 |
0.5%
|
|
| 12 | 2 |
0.5%
|
|
| 13 | 2 |
0.5%
|
|
| 14 | 1 |
0.3%
|
|
| 15 | 4 |
1.1%
|
|
| 16 | 1 |
0.3%
|
|
| 17 | 2 |
0.5%
|
|
| 18 | 2 |
0.5%
|
|
| 19 | 3 |
0.8%
|
|
| 20 | 10 |
2.7%
|
|
| 21 | 1 |
0.3%
|
|
| 22 | 1 |
0.3%
|
|
| 23 | 2 |
0.5%
|
|
| 24 | 1 |
0.3%
|
|
| 25 | 1 |
0.3%
|
|
| 27 | 2 |
0.5%
|
|
| 28 | 1 |
0.3%
|
|
| 30 | 3 |
0.8%
|
|
| 33 | 1 |
0.3%
|
|
| 35 | 2 |
0.5%
|
|
| 36 | 1 |
0.3%
|
|
| 40 | 1 |
0.3%
|
|
| 45 | 1 |
0.3%
|
|
| 50 | 3 |
0.8%
|
|
| 60 | 1 |
0.3%
|
|
| 61 | 1 |
0.3%
|
|
| 70 | 1 |
0.3%
|
|
| 80 | 1 |
0.3%
|
|
| 83 | 1 |
0.3%
|
|
| 87 | 1 |
0.3%
|
|
| 93 | 1 |
0.3%
|
|
| 94 | 1 |
0.3%
|
|
| 184 | 1 |
0.3%
|
|
| 215 | 1 |
0.3%
|
|
| 219 | 1 |
0.3%
|
|
| 290 | 1 |
0.3%
|
|
| 300 | 1 |
0.3%
|
|
| 550 | 1 |
0.3%
|
|
| Sysmiss | 719 |