| Code | Definition | Number of Accessions |
| 0 | ACYANOGENIC | 154 |
| 1 | LEAST INTENSE | 130 |
| 2 | 0 = LEAST INTENSE, 9 = MOST INTENSE | 43 |
| 3 | 0 = LEAST INTENSE, 9 = MOST INTENSE | 42 |
| 4 | 0 = LEAST INTENSE, 9 = MOST INTENSE | 42 |
| 5 | 0 = LEAST INTENSE, 9 = MOST INTENSE | 27 |
| 6 | 0 = LEAST INTENSE, 9 = MOST INTENSE | 22 |
| 7 | 0 = LEAST INTENSE, 9 = MOST INTENSE | 20 |
| 8 | 0 = LEAST INTENSE, 9 = MOST INTENSE | 22 |
| 9 | MOST INTENSE | 27 |