年 |
1978 |
1979 |
1980 |
1981 |
1982 |
1月 |
3,374,000 |
3,458,000 |
3,549,000 |
3,642,000 |
3,751,000 |
2月 |
3,373,000 |
3,457,000 |
3,550,000 |
3,648,000 |
3,750,000 |
3月 |
3,374,000 |
3,459,000 |
3,556,000 |
3,654,000 |
3,766,000 |
4月 |
3,377,000 |
3,427,000 |
3,584,000 |
3,670,000 |
3,778,000 |
5月 |
3,379,000 |
3,438,000 |
3,590,000 |
3,684,000 |
3,780,000 |
6月 |
3,381,000 |
3,449,000 |
3,596,000 |
3,681,000 |
3,778,000 |
7月 |
3,386,000 |
3,459,000 |
3,600,000 |
3,699,000 |
3,780,000 |
8月 |
3,403,000 |
3,467,000 |
3,608,000 |
3,713,000 |
3,781,000 |
9月 |
3,411,000 |
3,481,000 |
3,613,000 |
3,720,000 |
3,782,000 |
10月 |
3,444,000 |
3,484,000 |
3,619,000 |
3,726,000 |
3,785,000 |
11月 |
3,425,000 |
3,496,000 |
3,637,000 |
3,731,000 |
3,772,000 |
12月 |
3,473,000 |
3,553,000 |
3,642,000 |
3,752,000 |
3,808,000 |
单位：百万立方英尺 |
