PannErgy`s Days Sales Of Inventory reached 55.7 days in 2015. This is 73.3 % less than in the previous year.
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| Company | Unit | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| PannErgy | days | 74.5 | 72.1 | 13.8 | 652 | 99.0 |
Helgi Library 
