| Value | Category | Cases | |
|---|---|---|---|
| 0 | 601 |
36.3%
|
|
| 1 | 4 |
0.2%
|
|
| 2 | 7 |
0.4%
|
|
| 3 | 3 |
0.2%
|
|
| 5 | 3 |
0.2%
|
|
| 10 | 169 |
10.2%
|
|
| 11 | 1 |
0.1%
|
|
| 14 | 3 |
0.2%
|
|
| 15 | 148 |
8.9%
|
|
| 20 | 111 |
6.7%
|
|
| 25 | 6 |
0.4%
|
|
| 30 | 495 |
29.9%
|
|
| 35 | 3 |
0.2%
|
|
| 40 | 13 |
0.8%
|
|
| 45 | 61 |
3.7%
|
|
| 50 | 11 |
0.7%
|
|
| 59 | 1 |
0.1%
|
|
| 77 | Don't know | 14 |
0.8%
|
| Sysmiss | 842 |