|
单位：万吨
|
2003
|
2004
|
2005
|
2006
|
2007
|
2008
|
|
全国产量
|
103.13
|
125.5
|
240.66
|
329.51
|
415.6
|
447.8
|
|
进口
|
158.02
|
165.01
|
120.72
|
95.15
|
104.32
|
104.35
|
|
出口
|
9.5
|
9.21
|
10.15
|
22.77
|
20.48
|
19.79
|
|
净进口
|
148.52
|
155.8
|
110.57
|
72.38
|
83.84
|
84.56
|
|
表观需求量
|
251.65
|
281.3
|
351.23
|
401.89
|
499.44
|
532.36
|
|
自给率（％）
|
40.98%
|
44.61%
|
68.52%
|
81.99%
|
83.21%
|
84.12%
|
TNC编辑部整理
