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Condensed Statements of Operations (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011
Gain (loss) on trading of commodity futures contracts: |  |  |  |
Realized gain (loss) on closed positions | $ 7,512,240 | $ (2,093,020) | $ 4,019,700 | $ 3,874,520
Change in unrealized gain (loss) on open positions | 132,310 | (440) | 480,220 | (937,210)
Dividend income | 2,479 | 565 | 6,892 | 2,660
Interest income | 1,300 | 1,116 | 4,295 | 2,013
Other income | 2,100 | 3,500 | 8,050 | 15,500
Total income (loss) | 7,650,429 | (2,088,279) | 4,519,157 | 2,957,483
Expenses |  |  |  |
General Partner management fees (Note 3) | 105,227 | 79,384 | 302,114 | 212,635
Professional fees | 31,070 | 43,966 | 89,183 | 146,522
Brokerage commissions | 8,739 | 7,456 | 25,880 | 20,896
Other expenses | 2,714 | 1,422 | 7,446 | 3,265
Total expenses | 147,750 | 132,228 | 424,623 | 383,318
Expense waiver (Note 3) | (10,169) | (28,525) | (29,017) | (104,431)
Net expenses | 137,581 | 103,703 | 395,606 | 278,887
Net income (loss) | $ 7,512,848 | $ (2,191,982) | $ 4,123,551 | $ 2,678,596
Net income (loss) per limited partnership unit | $ 11.83 | $ (5.82) | $ 6.66 | $ 6.17
Net income (loss) per weighted average limited partnership unit | $ 10.55 | $ (3.92) | $ 6.10 | $ 5.36
Weighted average limited partnership units outstanding | 711,957 | 558,696 | 676,095 | 499,634

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