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| Refining District North Louisiana-Arkansas Gas Plant Production of Isobutane-Isobutylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 51 | 44 | 46 | 51 | 52 | 48 | 48 | 48 | 48 | 50 | 44 | 39 |
| 1994 | 49 | 47 | 56 | 57 | 56 | 52 | 59 | 65 | 57 | 56 | 60 | 59 |
| 1995 | 58 | 55 | 62 | 62 | 63 | 68 | 68 | 62 | 66 | 66 | 65 | 64 |
| 1996 | 68 | 66 | 66 | 53 | 66 | 59 | 64 | 67 | 62 | 65 | 67 | 69 |
| 1997 | 64 | 56 | 69 | 63 | 56 | 62 | 63 | 68 | 68 | 71 | 59 | 62 |
| 1998 | 54 | 48 | 51 | 58 | 56 | 56 | 56 | 52 | 48 | 43 | 48 | 48 |
| 1999 | 47 | 44 | 39 | 46 | 55 | 52 | 51 | 53 | 48 | 50 | 47 | 48 |
| 2000 | 43 | 45 | 41 | 39 | 34 | 37 | 36 | 44 | 40 | 38 | 38 | 35 |
| 2001 | 36 | 33 | 36 | 37 | 36 | 34 | 33 | 35 | 30 | 34 | 38 | 35 |
| 2002 | 33 | 30 | 32 | 32 | 34 | 33 | 38 | 35 | 24 | 12 | 10 | 31 |
| 2003 | 30 | 28 | 32 | 33 | 28 | 31 | 36 | 36 | 33 | 34 | 34 | 34 |
| 2004 | 34 | 29 | 34 | 31 | 34 | 33 | 34 | 32 | 32 | 32 | 34 | 32 |
| 2005 | 33 | 29 | 38 | 34 | 36 | 36 | 38 | 37 | 31 | 39 | 37 | 40 |
| 2006 | 36 | 33 | 39 | 37 | 40 | 37 | 38 | 39 | 40 | 39 | 38 | 40 |
| 2007 | 42 | 38 | 45 | 39 | 45 | 40 | 41 | 46 | 44 | 48 | 46 | 47 |
| 2008 | 45 | 44 | 51 | 50 | 52 | 52 | 53 | 55 | 48 | 47 | 46 | 46 |
| 2009 | 48 | 49 | 49 | 54 | 47 | 48 | 49 | 48 | 45 | 48 | 47 | 44 |
| 2010 | 42 | 38 | 40 | 38 | 41 | 43 | 41 | 43 | 39 | 42 | 44 | 42 |
| 2011 | 47 | 43 | 44 | 42 | 43 | 44 | 45 | 46 | 43 | 42 | 41 | 39 |
| 2012 | 40 | 39 | 41 | 40 | 45 | 41 | 44 | 46 | 43 | 45 | 37 | 45 |
| 2013 | 46 | 42 | ||||||||||
| - = 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 |