| Code | Definition | Number of Accessions |
| 1 | LAX | 2 |
| 2 | (1 = LAX, 9 = VERY DENSE) | 4 |
| 3 | (1 = LAX, 9 = VERY DENSE) | 14 |
| 4 | (1 = LAX, 9 = VERY DENSE) | 105 |
| 5 | (1 = LAX, 9 = VERY DENSE) | 94 |
| 6 | (1 = LAX, 9 = VERY DENSE) | 115 |
| 7 | (1 = LAX, 9 = VERY DENSE) | 23 |
| 8 | (1 = LAX, 9 = VERY DENSE) | 3 |
| MIX | ROW MIXED FOR SPIKE DENSITY | 5 |