Consolidated Statement of Assets, Liabilities and Shareholders' Equity (USD $)	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 45,437,323	$ 35,790,818
Investments, financial derivatives and repurchase agreements:
Investments at value (Cost - $1,203,146,096 and $1,232,484,311)	1,201,857,332	1,246,066,560
Financial derivatives - assets (Cost - $136,936,637 and $208,958,359)	125,712,267	201,335,372
Repurchase agreements (Cost - $22,437,500 and $25,683,750)	22,437,500	25,683,750
Total investments, financial derivatives and repurchase agreements	1,350,007,099	1,473,085,682
Deposits with dealers held as collateral	20,397,115	20,394,065
Receivable for securities sold	553,564,172	799,142,581
Interest and principal receivable	7,318,245	5,909,317
Other assets	364,396
Total Assets	1,977,088,350	2,334,322,463
LIABILITIES
Investments sold short at value (Proceeds - $542,110,655 and $775,781,612)	540,155,406	775,145,098
Financial derivatives - liabilities (Net Proceeds - $4,255,004 and $17,718,129)	10,987,654	21,030,329
Total investments and financial derivatives	551,143,060	796,175,427
Reverse repurchase agreements	801,901,000	777,760,260
Due to brokers - margin accounts	116,505,413	166,409,207
Payable for securities purchased	117,933,004	184,012,894
Accounts payable and accrued expenses	2,426,071	2,485,263
Accrued base management fee	1,448,634	1,524,818
Accrued incentive fee		1,421,500
Interest and dividends payable	877,576	861,382
Total Liabilities	1,592,234,758	1,930,650,751
SHAREHOLDERS' EQUITY	384,853,592	403,671,712
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,977,088,350	2,334,322,463
ANALYSIS OF SHAREHOLDERS' EQUITY:
Common shares, no par value, 100,000,000 shares authorized; (16,507,381 and 16,498,342 shares issued and outstanding)	376,024,478	394,918,033
Additional paid-in capital - LTIP units	8,829,114	8,753,679
Total Shareholders' Equity	$ 384,853,592	$ 403,671,712
PER SHARE INFORMATION:
Common shares, no par value	$ 23.31	$ 24.47