年 |
1983 |
1984 |
1985 |
1986 |
1987 |
1月 |
3,813,000 |
3,847,000 |
3,841,000 |
3,842,000 |
3,818,000 |
2月 |
3,811,000 |
3,828,000 |
3,841,000 |
3,842,000 |
3,815,000 |
3月 |
3,812,000 |
3,824,000 |
3,835,000 |
3,838,000 |
3,813,000 |
4月 |
3,818,000 |
3,822,000 |
3,831,000 |
3,834,000 |
3,812,000 |
5月 |
3,818,000 |
3,827,000 |
3,837,000 |
3,830,000 |
3,811,000 |
6月 |
3,819,000 |
3,828,000 |
3,839,000 |
3,829,000 |
3,810,000 |
7月 |
3,826,000 |
3,829,000 |
3,849,000 |
3,841,000 |
3,813,000 |
8月 |
3,823,000 |
3,829,000 |
3,849,000 |
3,840,000 |
3,813,000 |
9月 |
3,823,000 |
3,829,000 |
3,849,000 |
3,840,000 |
3,813,000 |
10月 |
3,825,000 |
3,837,000 |
3,851,000 |
3,840,000 |
3,813,000 |
11月 |
3,841,000 |
3,900,000 |
3,847,000 |
3,820,000 |
3,792,000 |
12月 |
3,847,000 |
3,830,000 |
3,842,000 |
3,819,000 |
3,792,000 |
单位：百万立方英尺 |
