| Value | Category | Cases | |
|---|---|---|---|
| 1 | Excess | 1196 |
16.6%
|
| 2 | Good | 4301 |
59.8%
|
| 3 | Shortage | 1671 |
23.2%
|
| 4 | Cannot recall | 26 |
0.4%
|
| Sysmiss | 292 |