| Categories | Efficiency (q) | Resource of the category |
| P1 | 0.9 ≤ q ≤ 1.0 | 100 |
| P2 | 0.8 ≤ q < 0.9 | 90 |
| P3 | 0.7 ≤ q < 0.8 | 80 |
| P4 | 0.6 ≤ q < 0.7 | 70 |
| P5 | 0.5 ≤ q < 0.6 | 60 |
| P6 | 0.4 ≤ q < 0.5 | 50 |
| P7 | 0.3 ≤ q < 0.4 | 40 |
| P8 | 0.2 ≤ q < 0.3 | 30 |
| P9 | 0.1 ≤ q < 0.2 | 20 |
| P10 | 0 ≤ q < 0.1 | 10 |