| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
3.8%
|
|
| 4 | 1 |
1.9%
|
|
| 5 | 9 |
17.3%
|
|
| 8 | 1 |
1.9%
|
|
| 10 | 8 |
15.4%
|
|
| 15 | 3 |
5.8%
|
|
| 20 | 1 |
1.9%
|
|
| 28 | 1 |
1.9%
|
|
| 30 | 2 |
3.8%
|
|
| 60 | 4 |
7.7%
|
|
| 80 | 1 |
1.9%
|
|
| 100 | 1 |
1.9%
|
|
| 160 | 1 |
1.9%
|
|
| 280 | 1 |
1.9%
|
|
| 600 | 1 |
1.9%
|
|
| 888 | Do not know | 14 |
26.9%
|
| 900 | 1 |
1.9%
|
|
| Sysmiss | 4538 |