| W1 | W2 | W3 | W4 | W5 |
($/m3) | 2.1 | 0.15 | 0.58 | 0.5 | 0.25 |
($/m3) | 5.4 | 0.45 | 1 | 0.81 | 0.85 |
(Mm3) | 10 | 5 | 1 | 2 | 2 |
(Mm3) | 100 | 50 | 10 | 20 | 20 |