| n | Highest-Bound | Quantity | Codes | Notes |
| 2 | 2 | 1 | 2 | |
| 4 | 3 | 1 | 4 | |
| 6 | 3 | 1 | 6 | |
| 8 | 4 | 1 | 8 | |
| 10 | 4 | 2 | 10 | |
| 12 | 6 | 1 | 12 | |
| 14 | 6 | >= 1 | 14 | |
| 16 | 6 | >= 4 | 16 | |
| 18 | 6-7 | >= 1 | 18 | |
| 20 | 8 | >= 2 | 20 | |
| 22 | 8 | >= 10 | 22 | |
| 24 | 8-10 | >= 10 | 24 | |
| 26 | 8-10 | >= 10 | 26 | |
| 28 | 9-11 | >= 1 | XQ27 | |
| 30 | 10-12 | >= 2 | C4E_30 | |
| 32 | 10-12 | >= 1 | C4E_32 | |
| 34 | 10-12 | >= 1 | C4E_34 | |
| 36 | 10-14 | >= 1 | C4E_36 | |
| 38 | 11-15 | >= 1 | C4E_38 | |
| 40 | 12-16 | >= 1 | C4E_40 | |
| 42 | 12-16 | >= 1 | C4E_42 | |
| 44 | 14-16 | >= 1 | XQ43 | |
| 46 | 14-16 | >= 1 | QDC46 | |
| 48 | 14-18 | >= 1 | QDC48 | |
| 50 | 14-19 | >= 1 | C4E_50 | |
| 52 | 14-20 | >= 1 | C4E_52, sub | |
| 54 | 14-20 | >= 1 | C4E_54 | |
| 56 | 14-20 | >= 1 | C4E_56 | |
| 58 | 15-20 | >= 1 | C4E_58 | |
| 60 | 15-23 | >= 1 | XQ59, C4E_60 | |
| 62 | 16-23 | >= 1 | QDC62, C4E_62 | |
| 64 | 16-24 | >= 1 | QDC64 | |
| 66 | 16-24 | >= 1 | C4E_66 | |
| 68 | 18-24 | >= 1 | XQ67 | |
| 70 | 18-24 | >= 1 | C4E_70 | |
| 72 | 18-? | >= 1 | C4E_72 |