| Value | Category | Cases | |
|---|---|---|---|
| 15 | 1 |
1.8%
|
|
| 16 | 2 |
3.5%
|
|
| 17 | 5 |
8.8%
|
|
| 19 | 6 |
10.5%
|
|
| 20 | 1 |
1.8%
|
|
| 21 | 7 |
12.3%
|
|
| 22 | 4 |
7%
|
|
| 24 | 5 |
8.8%
|
|
| 25 | 2 |
3.5%
|
|
| 26 | 5 |
8.8%
|
|
| 27 | 1 |
1.8%
|
|
| 28 | 2 |
3.5%
|
|
| 29 | 4 |
7%
|
|
| 30 | 2 |
3.5%
|
|
| 31 | 1 |
1.8%
|
|
| 33 | 1 |
1.8%
|
|
| 34 | 1 |
1.8%
|
|
| 35 | 4 |
7%
|
|
| 43 | 1 |
1.8%
|
|
| 98 | don't know/don't remember | 2 |
3.5%
|
| Sysmiss | 38661 |