| Value | Category | Cases | |
|---|---|---|---|
| 1 | below Low IBM | 473 |
47.3%
|
| 2 | equal to/bigger than Low IBM but below Intermediate IBM | 281 |
28.1%
|
| 3 | at or above Intermediate IBM but below High IBM | 175 |
17.5%
|
| 4 | at or above High IBM but below Advanced IBM | 60 |
6%
|
| 5 | at or above Advanced IBM | 11 |
1.1%
|