| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.2%
|
| 0 | 256 |
29.7%
|
|
| 4 | 1 |
0.1%
|
|
| 5 | 2 |
0.2%
|
|
| 10 | 8 |
0.9%
|
|
| 12 | 2 |
0.2%
|
|
| 15 | 1 |
0.1%
|
|
| 20 | 12 |
1.4%
|
|
| 24 | 1 |
0.1%
|
|
| 25 | 7 |
0.8%
|
|
| 30 | 15 |
1.7%
|
|
| 40 | 14 |
1.6%
|
|
| 43 | 1 |
0.1%
|
|
| 50 | 36 |
4.2%
|
|
| 60 | 7 |
0.8%
|
|
| 65 | 2 |
0.2%
|
|
| 66 | 1 |
0.1%
|
|
| 68 | 1 |
0.1%
|
|
| 70 | 22 |
2.6%
|
|
| 75 | 2 |
0.2%
|
|
| 80 | 21 |
2.4%
|
|
| 85 | 3 |
0.3%
|
|
| 90 | 16 |
1.9%
|
|
| 93 | 1 |
0.1%
|
|
| 95 | 5 |
0.6%
|
|
| 98 | 2 |
0.2%
|
|
| 99 | 6 |
0.7%
|
|
| 100 | 415 |
48.1%
|
|
| Sysmiss | 224 |