| Value | Category | Cases | |
|---|---|---|---|
| 6 | 1 |
0.4%
|
|
| 7 | 19 |
6.8%
|
|
| 8 | 59 |
21.1%
|
|
| 9 | 59 |
21.1%
|
|
| 10 | 26 |
9.3%
|
|
| 11 | 16 |
5.7%
|
|
| 12 | 14 |
5%
|
|
| 13 | 14 |
5%
|
|
| 14 | 13 |
4.7%
|
|
| 15 | 13 |
4.7%
|
|
| 16 | 11 |
3.9%
|
|
| 17 | 18 |
6.5%
|
|
| 18 | 10 |
3.6%
|
|
| 19 | 3 |
1.1%
|
|
| 20 | 2 |
0.7%
|
|
| 99 | Missing | 1 |
0.4%
|
| Sysmiss | 2001 |