| Value | Category | Cases | |
|---|---|---|---|
| 1 | Know ourself | 1 |
0.9%
|
| 2 | Not necessity | 102 |
96.2%
|
| 3 | Expensive | 0 |
0%
|
| 4 | Others | 3 |
2.8%
|
| Sysmiss | 535 |