| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 1 |
0.1%
|
| 2 | A- | 4 |
0.4%
|
| 3 | B | 11 |
1.1%
|
| 4 | B+ | 24 |
2.4%
|
| 5 | B- | 7 |
0.7%
|
| 6 | C | 2 |
0.2%
|
| 7 | C+ | 17 |
1.7%
|
| 8 | C- | 1 |
0.1%
|
| 9 | N/A | 22 |
2.2%
|
| Sysmiss | 909 |