|
強度等級 |
2004年產(chǎn)量 (百萬m3) |
占總產(chǎn)量比例 (％) |
占總產(chǎn)量比例 (％) |
2005年產(chǎn)量 (百萬m3) |
占總產(chǎn)量比例 (％) |
占總產(chǎn)量比例 (％) |
|
C10 |
0.0099 |
0.13 |
67.66 |
0.0379 |
0.34 |
72.67 |
|
C15 |
0.1187 |
1.53 |
0.2193 |
1.97 | ||
|
C20 |
0.6082 |
7.85 |
1.0393 |
9.35 | ||
|
C25 |
1.0019 |
12.93 |
1.7357 |
15.62 | ||
|
C30 |
3.5028 |
45.22 |
5.0458 |
45.40 | ||
|
C35 |
0.7113 |
9.18 |
24.93 |
0.7929 |
7.13 |
20.00 |
|
C40 |
0.9510 |
12.28 |
1.1322 |
10.19 | ||
|
C45 |
0.2692 |
3.47 |
0.2978 |
2.68 | ||
|
C50 |
0.5027 |
6.49 |
7.29 |
0.6229 |
5.60 |
6.90 |
|
C55 |
0.0209 |
0.27 |
0.0725 |
0.65 | ||
|
≥C60 |
0.0408 |
0.53 |
0.0716 |
0.64 | ||
|
其它 |
0.0092 |
0.12 |
0.12 |
0.0473 |
0.43 |
0.43 |
|
合計 |
7.7466 |
100 |
100 |
11.1152 |
100 |
100 |
