| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 10 SRD | 480 |
21.8%
|
| 2 | SRD 10 - SRD 14.9 | 360 |
16.4%
|
| 3 | SRD 15 - SRD 19.9 | 189 |
8.6%
|
| 4 | SRD 20 - SRD 25 | 457 |
20.8%
|
| 5 | More than 25 SRD | 715 |
32.5%
|
| Sysmiss | 11 |