| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
1%
|
| 0 | 5 |
1.7%
|
|
| 1 | 25 |
8.4%
|
|
| 2 | 34 |
11.4%
|
|
| 3 | 25 |
8.4%
|
|
| 4 | 28 |
9.4%
|
|
| 5 | 16 |
5.4%
|
|
| 6 | 15 |
5%
|
|
| 7 | 10 |
3.3%
|
|
| 8 | 13 |
4.3%
|
|
| 9 | 5 |
1.7%
|
|
| 10 | 19 |
6.4%
|
|
| 11 | 3 |
1%
|
|
| 12 | 6 |
2%
|
|
| 13 | 5 |
1.7%
|
|
| 14 | 4 |
1.3%
|
|
| 15 | 6 |
2%
|
|
| 16 | 2 |
0.7%
|
|
| 17 | 1 |
0.3%
|
|
| 18 | 1 |
0.3%
|
|
| 20 | 6 |
2%
|
|
| 22 | 1 |
0.3%
|
|
| 23 | 1 |
0.3%
|
|
| 25 | 4 |
1.3%
|
|
| 27 | 2 |
0.7%
|
|
| 30 | 6 |
2%
|
|
| 31 | 1 |
0.3%
|
|
| 35 | 1 |
0.3%
|
|
| 36 | 1 |
0.3%
|
|
| 38 | 1 |
0.3%
|
|
| 40 | 4 |
1.3%
|
|
| 41 | 2 |
0.7%
|
|
| 42 | 2 |
0.7%
|
|
| 45 | 1 |
0.3%
|
|
| 47 | 1 |
0.3%
|
|
| 48 | 1 |
0.3%
|
|
| 49 | 1 |
0.3%
|
|
| 50 | 5 |
1.7%
|
|
| 52 | 1 |
0.3%
|
|
| 60 | 2 |
0.7%
|
|
| 62 | 1 |
0.3%
|
|
| 68 | 1 |
0.3%
|
|
| 70 | 1 |
0.3%
|
|
| 74 | 1 |
0.3%
|
|
| 75 | 2 |
0.7%
|
|
| 81 | 1 |
0.3%
|
|
| 90 | 1 |
0.3%
|
|
| 100 | 1 |
0.3%
|
|
| 108 | 1 |
0.3%
|
|
| 113 | 1 |
0.3%
|
|
| 125 | 1 |
0.3%
|
|
| 135 | 2 |
0.7%
|
|
| 150 | 1 |
0.3%
|
|
| 185 | 1 |
0.3%
|
|
| 200 | 2 |
0.7%
|
|
| 245 | 1 |
0.3%
|
|
| 300 | 1 |
0.3%
|
|
| 302 | 1 |
0.3%
|
|
| 330 | 1 |
0.3%
|
|
| 350 | 1 |
0.3%
|
|
| 371 | 1 |
0.3%
|
|
| 400 | 1 |
0.3%
|
|
| 500 | 1 |
0.3%
|
|
| 540 | 1 |
0.3%
|
|
| 576 | 1 |
0.3%
|
|
| 603 | 1 |
0.3%
|
|
| Sysmiss | 313 |