The following table presents per share performance data and other supplemental financial data for the years ended December 31, 2019, 2018 and 2017 for the shareholders. This information has been derived from information presented in the financial statements.


	Year ended			Year ended			Year ended
	December 31, 2019			December 31, 2018			December 31, 2017
Per Share Operating Performance:
Net asset value, beginning of year	$	24.35		$	23.34	*	$	37.18	*
Total income (loss)		(7.16)			1.30			(13.49)	*
Total expenses		(0.28)			(0.29)			(0.35)	*
Net increase (decrease) in net asset value		(7.44)			1.01			(13.84)	*
Net asset value, end of year	$	16.91		$	24.35		$	23.34	*

Total Return		(30.55)	%		4.33	%		(37.22)	%

Ratios to Average Net Assets
Total income (loss)		(24.25)	%		30.51	%		(37.75)	%
Management fees		0.60	%		0.60	%		0.60	%
Expenses excluding management fees		0.73	%		0.68	%		0.70	%
Net income (loss)		(25.58)	%		29.23	%		(39.05)	%

*On January 4, 2018, there was a 1‑for‑4 reverse share split. Historical shares outstanding, net asset value per share and market value per share have been adjusted for the period shown to reflect the 1‑for‑4 reverse share split on a retroactive basis.