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Unit Information
 6 Months Ended
Jun. 30, 2015
Unit Information [Abstract]  
Unit Information
Unit Information
All products referred to in Note 1 for outstanding units and unit values at June 30, 2015 and December 31, 2014 were as follows:
 
June 30, 2015
 
December 31, 2014
Units Outstanding:
28,776,050
 
29,562,144
Unit Value:
$2.91478
to
$3.76680
 
$2.85193
to
$3.66932