年 |
2008 |
2009 |
2010 |
2011 |
1月 |
6,288,037 |
6,370,028 |
6,579,900 |
6,613,722 |
2月 |
5,686,255 |
6,000,888 |
5,960,953 |
6,029,392 |
3月 |
5,486,589 |
5,907,540 |
5,929,914 |
5,884,081 |
4月 |
5,658,650 |
6,165,074 |
6,289,473 |
6,095,796 |
5月 |
6,064,975 |
6,632,164 |
6,698,983 |
6,495,108 |
6月 |
6,407,107 |
7,028,031 |
7,026,700 |
6,834,721 |
7月 |
6,745,390 |
7,353,504 |
7,253,018 |
7,078,626 |
8月 |
7,093,832 |
7,626,392 |
7,442,861 |
7,323,357 |
9月 |
7,390,883 |
7,921,596 |
7,801,450 |
7,720,549 |
10月 |
7,634,355 |
8,091,168 |
8,155,699 |
8,109,439 |
11月 |
7,577,456 |
8,124,989 |
8,078,136 |
8,144,952 |
12月 |
7,072,657 |
7,406,742 |
7,412,447 |
|
单位：百万立方英尺 |
