| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1929 |
68.5%
|
|
| 3 | 2 |
0.1%
|
|
| 4 | 2 |
0.1%
|
|
| 10 | 11 |
0.4%
|
|
| 14 | 1 |
0%
|
|
| 15 | 25 |
0.9%
|
|
| 20 | 24 |
0.9%
|
|
| 23 | 1 |
0%
|
|
| 25 | 30 |
1.1%
|
|
| 30 | 513 |
18.2%
|
|
| 33 | 1 |
0%
|
|
| 35 | 12 |
0.4%
|
|
| 40 | 13 |
0.5%
|
|
| 45 | 159 |
5.6%
|
|
| 50 | 11 |
0.4%
|
|
| 55 | 1 |
0%
|
|
| 59 | 1 |
0%
|
|
| 77 | Don't know | 81 |
2.9%
|
| Sysmiss | 1286 |