The following tables present per unit performance data and other supplemental financial data for the three and six months ended June 30, 2017 and 2016. This information has been derived from information presented in the financial statements and is presented with total expenses gross of expenses waived by the Sponsor and with total expenses net of expenses waived by the Sponsor, as appropriate.

	Three months ended			Three months ended			Six months ended			Six months ended
Per Share Operation Performance	June 30, 2017			June 30, 2016			June 30, 2017			June 30, 2016
Net asset value at beginning of period	$	19.01		$	20.19		$	18.77		$	21.24
Income (loss) from investment operations:
Investment Income		0.05			0.03			0.09			0.06
Net realized and unrealized gain (loss) on commodity futures contracts		0.21			0.35			0.59			(0.45	)
Total expenses		(0.18	)		(0.23	)		(0.36	)		(0.51	)
Net increase (decrease) in net asset value		0.08			0.15			0.32			(0.90	)
Net asset value at end of period	$	19.09		$	20.34		$	19.09		$	20.34
Total Return		0.42	%		0.74	%		1.70	%		(4.24	)%
Ratios to Average Net Assets (Annualized)
Total expenses		4.54	%		4.29	%		4.26	%		4.77	%
Total expense, net		3.75	%		4.29	%		3.78	%		4.77	%
Net investment loss		(2.65	)%		(3.75	)%		(2.83	)%		(4.24	)%

The following tables present per unit performance data and other supplemental financial data for the three and six months ended June 30, 2017 and 2016. This information has been derived from information presented in the financial statements. This information has been derived from information presented in the financial statements and is presented with total expenses gross of expenses waived by the Sponsor and with total expenses net of expenses waived by the Sponsor, as appropriate.

Per Share Operation Performance	Three months ended June 30, 2017			Three months ended June 30, 2016			Six months ended June 30, 2017			Six months ended June 30, 2016
Net asset value at beginning of period	$	18.11		$	18.02		$	19.08		$	17.34
Income (loss) from investment operations:
Investment Income		0.05			0.03			0.09			0.05
Net realized and unrealized gain (loss) on commodity futures contracts		0.10			3.52			(0.73	)		4.36
Total expenses		(0.16	)		(0.20	)		(0.34	)		(0.38	)
Net (decrease) increase in net asset value	$	(0.01	)	$	3.35			(0.98	)		4.03
Net asset value at end of period		18.10			21.37		$	18.10		$	21.37
Total Return		(0.06	)%		18.59	%		(5.14	)%		23.24	%
Ratios to Average Net Assets (Annualized)
Total expenses		4.09	%		4.03	%		4.07	%		4.04	%
Total expenses, net		3.67	%		4.03	%		3.62	%		4.04	%
Net investment loss		(2.58	)%		(3.50	)%		(2.67	)%		(3.51	)%

Schedule of financial highlights

The following table presents per unit performance data and other supplemental financial data for the three and six months ended June 30, 2017 and 2016. This information has been derived from information presented in the financial statements. This information has been derived from information presented in the financial statements and is presented with total expenses gross of expenses waived by the Sponsor and with total expenses net of expenses waived by the Sponsor, as appropriate.

	Three months ended			Three months ended			Six months ended			Six months ended
Per Share Operation Performance	June 30, 2017			June 30, 2016			June 30, 2017			June 30, 2016
Net asset value at beginning of period	$	11.79		$	10.53		$	12.97		$	10.02
Income (loss) from investment operations:
Investment Income		0.03			0.01			0.05			0.02
Net realized and unrealized (loss) gain on commodity futures contracts		(2.11	)		2.44			(3.22	)		3.00
Total expenses		(0.07	)		(0.06	)		(0.16	)		(0.12	)
Net (decrease) increase in net asset value		(2.15	)		2.39			(3.33	)		2.90
Net asset value at end of period	$	9.64		$	12.92		$	9.64		$	12.92
Total Return		(18.24	)%		22.70	%		(25.67	)%		28.94	%
Ratios to Average Net Assets (Annualized)
Total expenses		4.16	%		6.10	%		3.91	%		5.07	%
Total expenses, net		2.83	%		2.27	%		2.74	%		2.32	%
Net investment loss		(1.78	)%		(1.77	)%		(1.80	)%		(1.81	)%

Schedule of financial highlights

The following table presents per unit performance data and other supplemental financial data for the three and six months ended June 30, 2017 and 2016. This information has been derived from information presented in the financial statements. This information has been derived from information presented in the financial statements and is presented with total expenses gross of expenses waived by the Sponsor and with total expenses net of expenses waived by the Sponsor, as appropriate.

	Three months ended			Three months ended			Six months ended			Six months ended
Per Share Operation Performance	June 30, 2017			June 30, 2016			June 30, 2017			June 30, 2016
Net asset value at beginning of period		25.51			26.74		$	26.33		$	26.59
Income (loss) from investment operations:
Net realized and unrealized (loss) gain on commodity futures contracts		(0.39	)		2.10			(1.18	)		2.28
Total expenses		(0.03	)		(0.04	)		(0.06	)		(0.07	)
Net (decrease) increase in net asset value		(0.42	)		2.06			(1.24	)		2.21
Net asset value at end of period		25.09			28.80		$	25.09		$	28.80
Total Return		(1.65	)%		7.70	%		(4.71	)%		8.31	%
Ratios to Average Net Assets (Annualized)
Total expenses		2.27	%		1.87	%		4.72	%		4.21	%
Total expenses, net		0.50	%		0.50	%		0.50	%		0.50	%
Net investment loss		(0.50	)%		(0.50	)%		(0.50	)%		(0.50	)%

Schedule of financial highlights

The following table presents per unit performance data and other supplemental financial data for the three and six months ended June 30, 2017 and 2016. This information has been derived from information presented in the financial statements. This information has been derived from information presented in the financial statements and is presented with total expenses gross of expenses waived by the Sponsor and with total expenses net of expenses waived by the Sponsor, as appropriate.

	Three months ended			Three months ended			Six months ended			Six months ended
Per Share Operation Performance	June 30, 2017			June 30, 2016			June 30, 2017			June 30, 2016
Net asset value at beginning of period		25.51			26.74		$	26.33		$	26.59
Income (loss) from investment operations:
Net realized and unrealized (loss) gain on commodity futures contracts		(0.39	)		2.10			(1.18	)		2.28
Total expenses		(0.03	)		(0.04	)		(0.06	)		(0.07	)
Net (decrease) increase in net asset value		(0.42	)		2.06			(1.24	)		2.21
Net asset value at end of period		25.09			28.80		$	25.09		$	28.80
Total Return		(1.65	)%		7.70	%		(4.71	)%		8.31	%
Ratios to Average Net Assets (Annualized)
Total expenses		2.27	%		1.87	%		4.72	%		4.21	%
Total expenses, net		0.50	%		0.50	%		0.50	%		0.50	%
Net investment loss		(0.50	)%		(0.50	)%		(0.50	)%		(0.50	)%