View History:    Monthly     Annual   
Download Data (XLS File)
Midwest (PADD 2) Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels)
Midwest (PADD 2) Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1982 -1
  1983 1 -1 67 0 72 0 0 25 15 0
  1984 27 4 22 0 22 0 28 19 2 0 0 67
  1985 1 0 36 0 5 12 0 0 15 -24 47 7
  1986 47 -110 -61 -131 -16 12 -11 -18 21 -21 23 5
  1987 42 49 27 -28 13 15 -4 -10 52 7 -6 -31
  1988 3 -5 30 3 43 35 45 20 -28 -25 7 -17
  1989 3 26 -129 -27 45 36 26 -23 32 12 -8 75
  1990 4 19 51 55 59 10 -23 50 17 49 0 40
  1991 15 -3 -49 -113 -45 -59 18 -99 -25 -26 9 -48
  1992 6 58 54 159 101 -47 53 57 49 17 19 123
  1993 -3 93 157 100 41 80 16 70 -10 -3 44 137
  1994 135 23 85 18 -34 13 118 254 -42 -91 5 84
  1995 -66 17 98 86 97 86 182 105 -37 215 30 42
  1996 90 -12 83 -79 42 112 92 1 148 93 172 40
  1997 63 30 69 166 115 78 94 110 93 54 -3 47
  1998 -9 -53 52 235 72 112 125 97 -45 -10 -20 30
  1999 78 118 17 126 148 21 68 60 -110 12 -102 -13
  2000 -100 0 -117 -75 -12 -96 -20 -31 -178 55 51 -28
  2001 71 -18 93 -36 102 -13 -85 -84 -107 -208 -113 -202
  2002 -144 -78 -91 -50 -102 -49 -109 -123 -59 -308 -274 -315
  2003 -82 -232 -212 -227 -115 -25 -58 -66 -24 -200 -255 -153
  2004 -194 -155 -233 -97 -257 -131 -142 -141 107 -5 46 17
  2005 -103 -172 -114 -220 -275 -192 -173 -77 -272 -282 -1 0
  2006 165 147 -16 52 87 59 161 211 137 144 55 39
  2007 90 92 122 101 54 164 55 11 98 57 -87 -86
  2008 -142 -69 -20 88 72 69 -97 -111 -66 -113 27 -32
  2009 46 -50 -24 104 -31 33 24 26 24 -58 -22 -56
  2010 78 125 -14 -77 -44 -74 96 26 -37 53 118 -57
  2011 34 -3 82 -18 -115 -4 -102 -90 -52 48 70 -17
  2012 16 23 65 103 76 -25 -5 131 54 207 13 -27
  2013 29 70 -40 -8 23 -65 -70 -96 -124 -77 10 -120
  2014 -5 -11 -3 99


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 6/27/2014
Next Release Date: Last Week of July 2014

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