| Value | Category | Cases | |
|---|---|---|---|
| 1 | Under 6.5 | 121 |
2.4%
|
| 2 | 6.5-6.9 | 323 |
6.5%
|
| 3 | 7.0-7.4 | 706 |
14.1%
|
| 4 | 7.5-7.9 | 971 |
19.4%
|
| 5 | 8.0-8.4 | 1108 |
22.2%
|
| 6 | 8.5-8.9 | 1040 |
20.8%
|
| 7 | 9.0-9.4 | 569 |
11.4%
|
| 8 | 9.5-10.0 | 164 |
3.3%
|
| Sysmiss | 29 |