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| Refining District Indiana-Illinois-Kentucky Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 49 | 90 | 166 | 122 | 57 | 105 | 87 | 111 | 37 | -4 | 91 | 129 |
| 1994 | 142 | 37 | 127 | 50 | -1 | 36 | 133 | 232 | -54 | 66 | 63 | |
| 1995 | -21 | 54 | 144 | 113 | 138 | 102 | 208 | 138 | 24 | 187 | 87 | 78 |
| 1996 | 170 | 85 | 133 | 6 | 87 | 170 | 113 | 21 | 125 | 90 | 154 | 57 |
| 1997 | 68 | 47 | 112 | 146 | 154 | 138 | 92 | 172 | 80 | 109 | 93 | 126 |
| 1998 | 90 | 27 | 155 | 279 | 135 | 130 | 113 | 118 | 70 | -25 | 90 | 33 |
| 1999 | 56 | 112 | 13 | 143 | 215 | 25 | 108 | 124 | -21 | 17 | 25 | 41 |
| 2000 | -77 | 90 | -8 | 6 | 91 | 43 | 50 | 7 | -25 | 91 | 97 | 26 |
| 2001 | 134 | 69 | 107 | 5 | 151 | 31 | 33 | 23 | 9 | -37 | 28 | -67 |
| 2002 | -15 | -39 | -3 | 48 | 26 | 75 | -7 | 13 | 85 | -214 | -121 | -154 |
| 2003 | 0 | -137 | -49 | -78 | 43 | 89 | 51 | 36 | 124 | -12 | -20 | 6 |
| 2004 | -30 | -12 | -82 | 77 | -30 | 78 | 34 | 53 | 85 | -16 | -16 | 60 |
| 2005 | 28 | -10 | 49 | 0 | -47 | 83 | 80 | 70 | -8 | 24 | 141 | 99 |
| 2006 | 111 | 70 | 39 | 70 | 102 | 81 | 78 | 110 | 105 | 81 | 71 | 35 |
| 2007 | 108 | 63 | 12 | 20 | 80 | 124 | 72 | -14 | 128 | 8 | 46 | 38 |
| 2008 | -43 | -6 | 17 | 65 | 91 | 54 | 28 | -32 | -33 | -99 | 22 | -16 |
| 2009 | 7 | 6 | 84 | 94 | 60 | 93 | 107 | 12 | 72 | -15 | -27 | 20 |
| 2010 | 132 | 74 | 75 | 32 | 16 | -23 | 125 | 60 | -7 | 78 | 119 | -30 |
| 2011 | 85 | 42 | 110 | 39 | -64 | 11 | -22 | -21 | 43 | 25 | 76 | 29 |
| 2012 | 44 | 68 | 73 | 101 | 88 | 44 | 38 | 148 | 92 | 184 | 10 | 31 |
| 2013 | 39 | 100 | ||||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 4/29/2013 |
| Next Release Date: Last Week of May 2013 |