Volume 21Days 23Days 21.6 10 9 28.8 21 32 36.0 51 64 43.2 77 69 50.4 70 56 57.6 50 68 64.8 44 88 72.0 40 93 79.2 46 87 86.4 54 67 93.6 53 44 100.8 54 36 108.0 44 30 115.2 36 24 122.4 29 21 129.6 21 14 136.8 16 8 144.0 13 7