年 |
2003 |
2004 |
2005 |
2006 |
2007 |
1月 |
5,865,966 |
6,051,839 |
6,199,291 |
6,573,119 |
6,599,227 |
2月 |
5,187,077 |
5,452,307 |
5,768,939 |
6,088,735 |
5,867,298 |
3月 |
5,055,702 |
5,341,885 |
5,484,332 |
5,888,675 |
5,849,891 |
4月 |
5,210,476 |
5,535,291 |
5,699,060 |
6,143,320 |
5,968,611 |
5月 |
5,621,675 |
5,910,982 |
6,075,521 |
6,511,653 |
6,431,710 |
6月 |
6,090,298 |
6,307,379 |
6,398,738 |
6,831,985 |
6,813,786 |
7月 |
6,450,716 |
6,681,153 |
6,653,209 |
6,993,053 |
7,123,259 |
8月 |
6,762,507 |
7,004,573 |
6,865,103 |
7,181,966 |
7,250,170 |
9月 |
7,173,311 |
7,310,455 |
7,136,424 |
7,538,548 |
7,548,786 |
10月 |
7,456,712 |
7,548,214 |
7,400,321 |
7,669,209 |
7,803,634 |
11月 |
7,341,444 |
7,479,367 |
7,398,295 |
7,622,511 |
7,680,213 |
12月 |
6,865,772 |
6,897,200 |
6,835,374 |
7,280,906 |
7,113,475 |
| 单位：百万立方英尺 |
