| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
2%
|
| 0 | 1 |
0.5%
|
|
| 1 | 1 |
0.5%
|
|
| 2 | 3 |
1.5%
|
|
| 3 | 7 |
3.6%
|
|
| 4 | 23 |
11.7%
|
|
| 5 | 24 |
12.2%
|
|
| 6 | 16 |
8.2%
|
|
| 7 | 12 |
6.1%
|
|
| 8 | 6 |
3.1%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 9 |
4.6%
|
|
| 11 | 2 |
1%
|
|
| 12 | 3 |
1.5%
|
|
| 13 | 5 |
2.6%
|
|
| 14 | 2 |
1%
|
|
| 15 | 6 |
3.1%
|
|
| 16 | 1 |
0.5%
|
|
| 17 | 1 |
0.5%
|
|
| 18 | 2 |
1%
|
|
| 19 | 2 |
1%
|
|
| 20 | 5 |
2.6%
|
|
| 21 | 2 |
1%
|
|
| 22 | 1 |
0.5%
|
|
| 25 | 2 |
1%
|
|
| 30 | 3 |
1.5%
|
|
| 34 | 1 |
0.5%
|
|
| 38 | 1 |
0.5%
|
|
| 40 | 2 |
1%
|
|
| 43 | 1 |
0.5%
|
|
| 45 | 3 |
1.5%
|
|
| 50 | 1 |
0.5%
|
|
| 59 | 1 |
0.5%
|
|
| 60 | 5 |
2.6%
|
|
| 62 | 1 |
0.5%
|
|
| 65 | 1 |
0.5%
|
|
| 68 | 1 |
0.5%
|
|
| 70 | 1 |
0.5%
|
|
| 76 | 1 |
0.5%
|
|
| 80 | 3 |
1.5%
|
|
| 84 | 1 |
0.5%
|
|
| 85 | 1 |
0.5%
|
|
| 90 | 1 |
0.5%
|
|
| 100 | 3 |
1.5%
|
|
| 102 | 1 |
0.5%
|
|
| 105 | 1 |
0.5%
|
|
| 110 | 2 |
1%
|
|
| 130 | 1 |
0.5%
|
|
| 139 | 1 |
0.5%
|
|
| 140 | 1 |
0.5%
|
|
| 150 | 1 |
0.5%
|
|
| 181 | 1 |
0.5%
|
|
| 200 | 3 |
1.5%
|
|
| 220 | 1 |
0.5%
|
|
| 250 | 1 |
0.5%
|
|
| 300 | 1 |
0.5%
|
|
| 440 | 1 |
0.5%
|
|
| 450 | 1 |
0.5%
|
|
| 591 | 1 |
0.5%
|
|
| 620 | 1 |
0.5%
|
|
| 712 | 1 |
0.5%
|
|
| 820 | 1 |
0.5%
|
|
| 1900 | 1 |
0.5%
|
|
| 2000 | 1 |
0.5%
|
|
| Sysmiss | 404 |