| Value | Category | Cases | |
|---|---|---|---|
| 12 | 1 |
0.1%
|
|
| 13 | 15 |
1.2%
|
|
| 14 | 40 |
3.2%
|
|
| 15 | 86 |
7%
|
|
| 16 | 91 |
7.4%
|
|
| 17 | 108 |
8.7%
|
|
| 18 | 93 |
7.5%
|
|
| 19 | 78 |
6.3%
|
|
| 20 | 94 |
7.6%
|
|
| 21 | 38 |
3.1%
|
|
| 22 | 39 |
3.2%
|
|
| 23 | 26 |
2.1%
|
|
| 24 | 22 |
1.8%
|
|
| 25 | 17 |
1.4%
|
|
| 26 | 17 |
1.4%
|
|
| 27 | 10 |
0.8%
|
|
| 28 | 14 |
1.1%
|
|
| 29 | 2 |
0.2%
|
|
| 30 | 9 |
0.7%
|
|
| 31 | 1 |
0.1%
|
|
| 32 | 5 |
0.4%
|
|
| 33 | 1 |
0.1%
|
|
| 34 | 1 |
0.1%
|
|
| 35 | 4 |
0.3%
|
|
| 36 | 1 |
0.1%
|
|
| 98 | don't know | 422 |
34.2%
|
| Sysmiss | 11680 |