| Value | Category | Cases | |
|---|---|---|---|
| 1 | (0,20] | 2 |
0.1%
|
| 2 | (20,30] | 25 |
1.4%
|
| 3 | (30,40] | 143 |
7.9%
|
| 4 | (40,50] | 483 |
26.8%
|
| 5 | (50,60] | 591 |
32.8%
|
| 6 | (60,Inf] | 556 |
30.9%
|
| Sysmiss | 75 |