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| Refining District Oklahoma-Kansas-Missouri Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | -44 | -25 | -3 | -51 | -19 | -36 | -57 | -41 | -41 | -17 | -36 | 1 |
| 1994 | -19 | -27 | -20 | -52 | -29 | -29 | -27 | 25 | -46 | -27 | -66 | -35 |
| 1995 | -46 | -53 | -44 | -9 | -73 | -28 | -19 | -68 | -62 | 21 | -35 | -40 |
| 1996 | -70 | -117 | -41 | -80 | -53 | -72 | -31 | 1 | 21 | -3 | -8 | -16 |
| 1997 | 11 | 4 | -39 | 1 | -42 | -28 | -29 | -51 | 3 | -45 | -74 | -49 |
| 1998 | -56 | -21 | -57 | -15 | -22 | -6 | 20 | 1 | -61 | 23 | -80 | 22 |
| 1999 | 36 | 15 | 22 | -13 | -73 | -34 | -40 | -70 | -92 | 11 | -108 | -35 |
| 2000 | -3 | -77 | -121 | -75 | -83 | -121 | -59 | -26 | -143 | -32 | -54 | -47 |
| 2001 | -59 | -57 | -1 | -1 | 0 | -9 | -99 | -90 | -96 | -149 | -128 | -134 |
| 2002 | -117 | -33 | -68 | -82 | -109 | -106 | -86 | -126 | -125 | -109 | -123 | -153 |
| 2003 | -91 | -92 | -198 | -133 | -139 | -91 | -132 | -83 | -155 | -152 | -210 | -150 |
| 2004 | -183 | -129 | -127 | -144 | -206 | -188 | -150 | -164 | 14 | 29 | 42 | -33 |
| 2005 | -133 | -166 | -148 | -214 | -198 | -240 | -228 | -122 | -240 | -271 | -148 | -97 |
| 2006 | 55 | 70 | -48 | 9 | -17 | -30 | 73 | 92 | 23 | 60 | 12 | 27 |
| 2007 | 11 | 40 | 78 | 35 | -14 | 36 | -12 | 46 | -35 | 40 | -129 | -121 |
| 2008 | -93 | -50 | -35 | 19 | -13 | 26 | -113 | -71 | -37 | -6 | -3 | -22 |
| 2009 | 34 | -77 | -96 | -13 | -81 | -58 | -82 | 5 | -48 | -30 | 8 | -83 |
| 2010 | -51 | 43 | -79 | -69 | -67 | -34 | -49 | -27 | 3 | -15 | -2 | -14 |
| 2011 | -33 | -49 | -16 | -10 | -41 | -24 | -89 | -70 | -72 | 6 | -14 | -45 |
| 2012 | -24 | -46 | -4 | -6 | -11 | -58 | -44 | -12 | -26 | 34 | 17 | -51 |
| 2013 | -9 | -35 | ||||||||||
| - = 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 |