| Value | Category | Cases | |
|---|---|---|---|
| 8 | 7 |
1.1%
|
|
| 9 | 11 |
1.7%
|
|
| 10 | 10 |
1.6%
|
|
| 11 | 19 |
3%
|
|
| 12 | 35 |
5.4%
|
|
| 13 | 59 |
9.2%
|
|
| 14 | 64 |
9.9%
|
|
| 15 | 74 |
11.5%
|
|
| 16 | 77 |
12%
|
|
| 17 | 56 |
8.7%
|
|
| 18 | 73 |
11.3%
|
|
| 19 | 33 |
5.1%
|
|
| 20 | 25 |
3.9%
|
|
| 21 | 27 |
4.2%
|
|
| 22 | 10 |
1.6%
|
|
| 23 | 6 |
0.9%
|
|
| 24 | 8 |
1.2%
|
|
| 25 | 13 |
2%
|
|
| 26 | 2 |
0.3%
|
|
| 27 | 4 |
0.6%
|
|
| 28 | 3 |
0.5%
|
|
| 29 | 1 |
0.2%
|
|
| 30 | 4 |
0.6%
|
|
| 32 | 1 |
0.2%
|
|
| 35 | 2 |
0.3%
|
|
| 37 | 1 |
0.2%
|
|
| 47 | 1 |
0.2%
|
|
| 52 | 1 |
0.2%
|
|
| 69 | 3 |
0.5%
|
|
| 77 | Don't know | 14 |
2.2%
|
| Sysmiss | 743 |