| Value | Category | Cases | |
|---|---|---|---|
| 1 | below Low IBM | 487 |
48.7%
|
| 2 | equal to/bigger than Low IBM but below Intermediate IBM | 257 |
25.7%
|
| 3 | at or above Intermediate IBM but below High IBM | 184 |
18.4%
|
| 4 | at or above High IBM but below Advanced IBM | 58 |
5.8%
|
| 5 | at or above Advanced IBM | 14 |
1.4%
|