| Zone | Volume (m3) | Average (m3) | Min (m3) | Max (m3) | SD (m3) |
| China | 4,898,521.27 | 445,320.12 | 153,907.29 | 723,037.00 | 174,386.81 |
| Africa | 59,325.58 | 5393.23 | 883.11 | 10,541.00 | 3123.24 |
| America | 122,334.26 | 11,121.30 | 773.42 | 22,271.00 | 8055.62 |
| Asia (Expect China) | 556,856.66 | 50,623.33 | 15,838.67 | 131,289.00 | 33,052.20 |
| Europe | 1,429,819.50 | 129,983.59 | 40,198.56 | 295,217.64 | 72,254.76 |
| Total | 7,066,857.27 |
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