Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Quarterly Financial Information

The following summarized (unaudited) quarterly financial information presents the results of operations and other data for three-month periods ended March 31, June 30, September 30 and December 31, 2012 and 2011.


	First Quarter 2012		Second Quarter 2012			Third Quarter 2012			Fourth Quarter 2012
Total Income (Loss)	$	9,471,904	$	(25,764,862	)	$	8,792,836		$	(1,848,278	)
Total Expenses		315,716		265,297			248,705			220,660

Net Income (Loss)	$	9,156,188	$	(26,030,159	)	$	8,544,131		$	(2,068,938	)

Net Income (Loss) per Unit	$	2.35	$	(7.91	)	$	2.50		$	(0.59	)


	First Quarter 2011		Second Quarter 2011			Third Quarter 2011			Fourth Quarter 2011
Total Income (Loss)	$	30,855,365	$	(24,020,290	)	$	(40,601,303	)	$	38,190,454
Total Expenses		462,485		498,550			358,512			318,177

Net Income (Loss)	$	30,392,880	$	(24,518,840	)	$	(40,959,815	)	$	37,872,277

Net Income (Loss) per Unit	$	5.59	$	(4.71	)	$	(8.45	)	$	8.12