| Value | Category | Cases | |
|---|---|---|---|
| 10 | 3 |
3.8%
|
|
| 12 | 1 |
1.3%
|
|
| 15 | 2 |
2.5%
|
|
| 16 | 2 |
2.5%
|
|
| 17 | 2 |
2.5%
|
|
| 18 | 9 |
11.3%
|
|
| 19 | 5 |
6.3%
|
|
| 20 | 7 |
8.8%
|
|
| 21 | 3 |
3.8%
|
|
| 22 | 2 |
2.5%
|
|
| 23 | 1 |
1.3%
|
|
| 25 | 3 |
3.8%
|
|
| 26 | 1 |
1.3%
|
|
| 28 | 1 |
1.3%
|
|
| 29 | 1 |
1.3%
|
|
| 30 | 6 |
7.5%
|
|
| 32 | 2 |
2.5%
|
|
| 34 | 1 |
1.3%
|
|
| 35 | 2 |
2.5%
|
|
| 38 | 1 |
1.3%
|
|
| 40 | 1 |
1.3%
|
|
| 44 | 1 |
1.3%
|
|
| 45 | 1 |
1.3%
|
|
| 48 | 1 |
1.3%
|
|
| 50 | 2 |
2.5%
|
|
| 77 | Don't know | 19 |
23.8%
|
| Sysmiss | 1208 |