| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.4%
|
|
| 8 | 3 |
0.6%
|
|
| 9 | 7 |
1.4%
|
|
| 10 | 21 |
4.3%
|
|
| 11 | 11 |
2.2%
|
|
| 12 | 32 |
6.5%
|
|
| 13 | 11 |
2.2%
|
|
| 14 | 35 |
7.1%
|
|
| 15 | 70 |
14.3%
|
|
| 16 | 36 |
7.3%
|
|
| 17 | 33 |
6.7%
|
|
| 18 | 77 |
15.7%
|
|
| 19 | 8 |
1.6%
|
|
| 20 | 34 |
6.9%
|
|
| 21 | 12 |
2.4%
|
|
| 22 | 9 |
1.8%
|
|
| 23 | 1 |
0.2%
|
|
| 24 | 4 |
0.8%
|
|
| 25 | 10 |
2%
|
|
| 26 | 5 |
1%
|
|
| 27 | 2 |
0.4%
|
|
| 28 | 3 |
0.6%
|
|
| 29 | 1 |
0.2%
|
|
| 30 | 4 |
0.8%
|
|
| 31 | 2 |
0.4%
|
|
| 32 | 1 |
0.2%
|
|
| 34 | 1 |
0.2%
|
|
| 36 | 1 |
0.2%
|
|
| 38 | 1 |
0.2%
|
|
| 39 | 1 |
0.2%
|
|
| 40 | 4 |
0.8%
|
|
| 41 | 1 |
0.2%
|
|
| 45 | 1 |
0.2%
|
|
| 46 | 1 |
0.2%
|
|
| 49 | 1 |
0.2%
|
|
| 60 | 1 |
0.2%
|
|
| 77 | Don't know | 44 |
9%
|
| Sysmiss | 1557 |