| Value | Category | Cases | |
|---|---|---|---|
| 1 | below Low IBM | 468 |
46.8%
|
| 2 | equal to/bigger than Low IBM but below Intermediate IBM | 281 |
28.1%
|
| 3 | at or above Intermediate IBM but below High IBM | 181 |
18.1%
|
| 4 | at or above High IBM but below Advanced IBM | 61 |
6.1%
|
| 5 | at or above Advanced IBM | 9 |
0.9%
|