| Value | Category | Cases | |
|---|---|---|---|
| 11 | 2 |
0.1%
|
|
| 12 | 17 |
0.7%
|
|
| 13 | 50 |
2%
|
|
| 14 | 100 |
4%
|
|
| 15 | 254 |
10.2%
|
|
| 16 | 264 |
10.6%
|
|
| 17 | 210 |
8.4%
|
|
| 18 | 227 |
9.1%
|
|
| 19 | 210 |
8.4%
|
|
| 20 | 189 |
7.6%
|
|
| 21 | 100 |
4%
|
|
| 22 | 79 |
3.2%
|
|
| 23 | 60 |
2.4%
|
|
| 24 | 52 |
2.1%
|
|
| 25 | 55 |
2.2%
|
|
| 26 | 22 |
0.9%
|
|
| 27 | 19 |
0.8%
|
|
| 28 | 19 |
0.8%
|
|
| 29 | 11 |
0.4%
|
|
| 30 | 9 |
0.4%
|
|
| 31 | 1 |
0%
|
|
| 32 | 4 |
0.2%
|
|
| 33 | 2 |
0.1%
|
|
| 34 | 2 |
0.1%
|
|
| 35 | 4 |
0.2%
|
|
| 36 | 1 |
0%
|
|
| 38 | 1 |
0%
|
|
| 98 | don't know | 538 |
21.5%
|
| Sysmiss | 10413 |