| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1821 |
71.6%
|
|
| 2 | 3 |
0.1%
|
|
| 10 | 53 |
2.1%
|
|
| 12 | 1 |
0%
|
|
| 13 | 2 |
0.1%
|
|
| 15 | 37 |
1.5%
|
|
| 16 | 2 |
0.1%
|
|
| 19 | 1 |
0%
|
|
| 20 | 161 |
6.3%
|
|
| 25 | 6 |
0.2%
|
|
| 30 | 391 |
15.4%
|
|
| 33 | 1 |
0%
|
|
| 35 | 2 |
0.1%
|
|
| 37 | 1 |
0%
|
|
| 40 | 11 |
0.4%
|
|
| 45 | 9 |
0.4%
|
|
| 50 | 5 |
0.2%
|
|
| 59 | 2 |
0.1%
|
|
| 77 | Don't know | 33 |
1.3%
|
| Sysmiss | 22 |