| Delivery Period (month) | Volumes (MMBtus) | Delivery Period (month) | Volumes (MMBtus) | ||||||
| Nov-07 | 3,298,240 | Jun-10 | 17,007,933 | ||||||
| Dec-07 | 3,521,848 | Jul-10 | 17,571,422 | ||||||
| Jan-08 | 9,355,222 | Aug-10 | 17,633,313 | ||||||
| Feb-08 | 8,854,961 | Sep-10 | 17,198,450 | ||||||
| Mar-08 | 9,414,274 | Oct-10 | 17,766,733 | ||||||
| Apr-08 | 9,173,946 | Nov-10 | 17,327,402 | ||||||
| May-08 | 9,470,702 | Dec-10 | 17,893,872 | ||||||
| Jun-08 | 9,229,904 | Jan-11 | 26,571,975 | ||||||
| Jul-08 | 9,525,449 | Feb-11 | 24,521,919 | ||||||
| Aug-08 | 9,555,350 | Mar-11 | 26,756,193 | ||||||
| Sep-08 | 9,311,385 | Apr-11 | 26,143,868 | ||||||
| Oct-08 | 10,658,632 | May-11 | 26,959,302 | ||||||
| Nov-08 | 13,474,034 | Jun-11 | 26,333,223 | ||||||
| Dec-08 | 12,835,821 | Jul-11 | 27,168,725 | ||||||
| Jan-09 | 14,591,386 | Aug-11 | 27,262,633 | ||||||
| Feb-09 | 13,393,047 | Sep-11 | 26,643,958 | ||||||
| Mar-09 | 14,661,286 | Oct-11 | 27,476,747 | ||||||
| Apr-09 | 14,285,261 | Nov-11 | 26,837,348 | ||||||
| May-09 | 14,738,465 | Dec-11 | 27,687,029 | ||||||
| Jun-09 | 14,359,681 | Jan-12 | 8,281,818 | ||||||
| Jul-09 | 14,813,021 | Feb-12 | 7,818,458 | ||||||
| Aug-09 | 14,855,649 | Mar-12 | 8,327,635 | ||||||
| Sep-09 | 14,474,774 | Apr-12 | 8,106,777 | ||||||
| Oct-09 | 14,935,476 | May-12 | 8,373,368 | ||||||
| Nov-09 | 14,554,808 | Jun-12 | 8,153,816 | ||||||
| Dec-09 | 15,013,031 | Jul-12 | 8,422,825 | ||||||
| Jan-10 | 17,197,279 | Aug-12 | 8,445,826 | ||||||
| Feb-10 | 15,793,341 | Sep-12 | 8,225,547 | ||||||
| Mar-10 | 17,311,019 | Oct-12 | 8,494,686 | ||||||
| Apr-10 | 16,888,514 | Nov-12 | 8,272,662 | ||||||
| May-10 | 17,441,342 | Dec-12 | 8,545,785 | ||||||
| Total | 929,218,396 | ||||||||
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