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Refining District Minnesota-Wisconsin-North Dakota-South Dakota Isobutane-Isobutylene Stocks at Refineries (Thousand Barrels)
Refining District Minnesota-Wisconsin-North Dakota-South Dakota Isobutane-Isobutylene Stocks at Refineries (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 90 93 95 95 114 100 76 73 79 76 64 80
  1994 85 98 51 75 82 73 81 96 81 53 56 98
  1995 95 85 72 34 71 85 78 119 102 110 73 83
  1996 64 87 67 82 97 110 110 87 88 88 99 96
  1997 64 57 58 97 92 73 101 89 108 104 85 75
  1998 87 82 97 83 56 78 65 77 70 70 57 46
  1999 53 48 39 53 56 62 47 66 51 58 50 53
  2000 48 29 52 32 39 43 42 53 55 46 53 43
  2001 50 57 36 38 49 47 56 49 38 49 63 58
  2002 41 44 60 36 52 53 62 45 41 60 52 53
  2003 55 56 62 42 52 54 44 39 54 46 32 39
  2004 49 39 50 51 50 45 52 34 51 40 61 50
  2005 53 56 58 62 47 48 57 57 62 47 53 55
  2006 50 56 61 55 66 55 53 69 53 83 67 57
  2007 66 78 71 75 78 87 89 66 67 65 61 70
  2008 71 59 80 73 60 56 85 89 96 67 56 49
  2009 65 71 84 118 72 65 59 66 57 63 74 45
  2010 63 79 93 63 79 88 84 73 82 68 69 81
  2011 92 106 120 52 79 102 98 100 57 60 94 85
  2012 81 80 72 76 90 88 76 74 81 86 84 70
  2013 84 71 82 78 64 49 66 70 43 52 53 62
  2014 71 56 76 82 486


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 7/30/2014
Next Release Date: Last Week of August 2014

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