|
| Environmental Stress Level | Total | ||
| Low Environmental Stress | Moderate Environmental Stress | High Environmental Stress | ||
| 1.75 - 2.39 | 5 | 18 | 3 | 26 |
| 2.40 - 2.79 | 0 | 17 | 8 | 25 |
| 2.80 - 4.00 | 2 | 14 | 10 | 26 |
| Total | 7 | 49 | 21 | 77 |