| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3975 |
70.7%
|
|
| 2 | 1 |
0%
|
|
| 5 | 1 |
0%
|
|
| 10 | 79 |
1.4%
|
|
| 11 | 1 |
0%
|
|
| 12 | 1 |
0%
|
|
| 13 | 2 |
0%
|
|
| 15 | 102 |
1.8%
|
|
| 18 | 1 |
0%
|
|
| 20 | 78 |
1.4%
|
|
| 25 | 5 |
0.1%
|
|
| 30 | 1058 |
18.8%
|
|
| 33 | 1 |
0%
|
|
| 35 | 1 |
0%
|
|
| 40 | 15 |
0.3%
|
|
| 43 | 1 |
0%
|
|
| 45 | 56 |
1%
|
|
| 50 | 5 |
0.1%
|
|
| 77 | Don't know | 243 |
4.3%
|
| Sysmiss | 54 |