XML 37 R22.htm IDEA: XBRL DOCUMENT v3.8.0.1
FINANCIAL HIGHLIGHTS (Tables)
 12 Months Ended
Dec. 31, 2017
Financial Highlights [Abstract]  
Per Unit Performance Data and Other Supplemental Financial Data
The following table presents per share performance data and other supplemental financial data for the years ended December 31, 2017, 2016 and 2015 for the shareholders. This information has been derived from information presented in the financial statements.
 
 
 
Year ended December
31, 2017
 
 
Year ended December
31, 2016
 
 
Year ended December
31, 2015
 
Per Share Operating Performance:
 
 
 
 
 
 
 
 
 
 
 
 
Net asset value, beginning of year
 
$
11.75
 
 
$
9.72
 
 
$
13.69
 
Total income (loss)
 
 
(2.40)
 
 
 
2.12
 
 
 
(3.86)
 
Net expenses
 
 
(0.09)
 
 
 
(0.09)
 
 
 
(0.11)
 
Net increase (decrease) in net asset value
 
 
(2.49)
 
 
 
2.03
 
 
 
(3.97)
 
Net asset value, end of year
 
$
9.26
 
 
$
11.75
 
 
$
9.72
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total Return
 
 
(21.19)
%
 
 
20.88
%
 
 
(29.00)
%
 
 
 
 
 
 
 
 
 
 
 
 
 
Ratios to Average Net Assets
 
 
 
 
 
 
 
 
 
 
 
 
Total income (loss)
 
 
(29.05)
%
 
 
21.94
%
 
 
(27.80)
%
Management fees
 
 
0.75
%
 
 
0.75
%
 
 
0.75
%
Total expenses excluding management fees
 
 
0.74
%
 
 
0.90
%
 
 
0.71
%
Expenses waived
 
 
(0.59)
%
 
 
(0.75)
%
 
 
(0.56)
%
Net expenses excluding management fees
 
 
0.15
%
 
 
0.15
%
 
 
0.15
%
Net income (loss)
 
 
(29.95)
%
 
 
21.04
%
 
 
(28.70)
%