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| Refining District North Louisiana-Arkansas Refinery and Blender Net Input of Isobutane-Isobutylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | 93 | 92 | 94 | 87 | 88 | 88 | 96 | 93 | 97 | 58 | 69 | 85 |
| 1982 | 99 | 94 | 100 | 100 | 100 | 100 | 103 | 98 | 70 | 66 | 98 | 91 |
| 1983 | 87 | 78 | 65 | 82 | 107 | 106 | 110 | 120 | 81 | 113 | 109 | 86 |
| 1984 | 85 | 98 | 99 | 98 | 101 | 103 | 109 | 110 | 68 | 55 | 83 | 78 |
| 1985 | 77 | 69 | 96 | 97 | 104 | 102 | 100 | 73 | 58 | 73 | 79 | 71 |
| 1986 | 72 | 69 | 45 | 58 | 85 | 92 | 93 | 98 | 96 | 110 | 103 | 108 |
| 1987 | 90 | 88 | 55 | 84 | 100 | 102 | 101 | 103 | 62 | 67 | 99 | 88 |
| 1988 | 82 | 77 | 82 | 78 | 84 | 83 | 97 | 93 | 94 | 85 | 131 | 125 |
| 1989 | 112 | 93 | 90 | 97 | 102 | 97 | 101 | 102 | 92 | 50 | 55 | 91 |
| 1990 | 122 | 92 | 49 | 80 | 101 | 98 | 98 | 103 | 104 | 100 | 80 | 93 |
| 1991 | 91 | 81 | 96 | 85 | 99 | 100 | 91 | 92 | 75 | 59 | 57 | 88 |
| 1992 | 121 | 105 | 98 | 89 | 91 | 81 | 99 | 82 | 87 | 88 | 88 | 82 |
| 1993 | 84 | 72 | 19 | 55 | 87 | 90 | 96 | 99 | 87 | 88 | 90 | 81 |
| 1994 | 67 | 49 | 55 | 54 | 56 | 60 | 56 | 60 | 50 | 52 | 45 | 45 |
| 1995 | 50 | 38 | 42 | 40 | 60 | 60 | 44 | 46 | 35 | 36 | 44 | 48 |
| 1996 | 46 | 41 | 15 | 46 | 70 | 46 | 37 | 38 | 35 | 26 | 33 | 32 |
| 1997 | 38 | 28 | 32 | 30 | 34 | 29 | 29 | 27 | 27 | 28 | 26 | 27 |
| 1998 | 28 | 32 | 41 | 35 | 37 | 30 | 28 | 30 | 27 | 30 | 28 | 25 |
| 1999 | 30 | 33 | 34 | 41 | 43 | 33 | 33 | 33 | 26 | 25 | 140 | 32 |
| 2000 | 15 | 18 | 33 | 36 | 33 | 28 | 27 | 25 | 27 | 21 | 20 | 22 |
| 2001 | 30 | 18 | 26 | 33 | 43 | 44 | 45 | 48 | 37 | 25 | 28 | 26 |
| 2002 | 39 | 28 | 23 | 42 | 27 | 22 | 29 | 26 | 31 | 45 | 41 | 33 |
| 2003 | 27 | 21 | 30 | 21 | 28 | 29 | 29 | 35 | 33 | 36 | 37 | 37 |
| 2004 | 32 | 13 | 8 | 46 | 60 | 48 | 47 | 41 | 47 | 38 | 32 | 45 |
| 2005 | 38 | 44 | 39 | 39 | 38 | 48 | 45 | 37 | 51 | 57 | 26 | 26 |
| 2006 | 31 | 28 | 42 | 45 | 51 | 46 | 45 | 44 | 39 | 34 | 35 | 50 |
| 2007 | 36 | 32 | 41 | 54 | 51 | 59 | 52 | 40 | 40 | 38 | 28 | 25 |
| 2008 | 28 | 37 | 42 | 18 | 28 | 39 | 46 | 31 | 41 | 35 | 48 | 62 |
| 2009 | 52 | 31 | 25 | 43 | 45 | 39 | 40 | 14 | 30 | 22 | ||
| 2010 | 19 | 18 | 24 | 28 | 34 | 22 | 20 | 22 | 15 | 12 | 12 | 16 |
| 2011 | 14 | 17 | 12 | 13 | 21 | 14 | 15 | 24 | 21 | 22 | 16 | 23 |
| 2012 | 22 | 16 | 26 | 36 | 34 | 38 | 32 | 28 | 23 | 13 | 7 | 12 |
| 2013 | 11 | 28 | 31 | |||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 5/30/2013 |
| Next Release Date: Last Week of June 2013 |