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| Refining District Texas Gulf Coast Refinery and Blender Net Input of Isobutane-Isobutylene (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 36 | 45 | 48 | 53 | 57 | 56 | 56 | 57 | 53 | 51 | 53 | 49 |
| 1994 | 49 | 44 | 40 | 46 | 48 | 50 | 45 | 39 | 34 | 32 | 36 | 38 |
| 1995 | 28 | 30 | 36 | 42 | 43 | 34 | 43 | 35 | 45 | 47 | 39 | 41 |
| 1996 | 51 | 40 | 42 | 51 | 38 | 39 | 38 | 37 | 36 | 32 | 43 | 37 |
| 1997 | 34 | 37 | 40 | 39 | 36 | 40 | 37 | 31 | 31 | 33 | 35 | 34 |
| 1998 | 32 | 43 | 41 | 37 | 39 | 37 | 38 | 41 | 35 | 43 | 39 | 26 |
| 1999 | 27 | 28 | 41 | 48 | 40 | 35 | 37 | 40 | 31 | 33 | 28 | 31 |
| 2000 | 32 | 26 | 30 | 31 | 34 | 34 | 32 | 35 | 41 | 33 | 42 | 31 |
| 2001 | 27 | 31 | 37 | 48 | 52 | 47 | 52 | 46 | 47 | 38 | 38 | 40 |
| 2002 | 42 | 32 | 40 | 41 | 40 | 46 | 47 | 48 | 45 | 45 | 43 | 42 |
| 2003 | 38 | 43 | 43 | 38 | 47 | 47 | 47 | 46 | 44 | 35 | 37 | 37 |
| 2004 | 36 | 40 | 43 | 53 | 53 | 50 | 46 | 49 | 50 | 46 | 41 | 36 |
| 2005 | 35 | 42 | 45 | 41 | 47 | 50 | 53 | 54 | 41 | 32 | 36 | 37 |
| 2006 | 34 | 28 | 34 | 59 | 61 | 65 | 57 | 68 | 66 | 55 | 50 | 63 |
| 2007 | 52 | 46 | 53 | 56 | 61 | 58 | 59 | 59 | 60 | 52 | 57 | 53 |
| 2008 | 51 | 48 | 60 | 68 | 72 | 62 | 59 | 61 | 35 | 63 | 68 | 72 |
| 2009 | 60 | 42 | 45 | 63 | 65 | 65 | 62 | 60 | 56 | 57 | 62 | 70 |
| 2010 | 38 | 29 | 36 | 39 | 48 | 42 | 47 | 45 | 37 | 50 | 51 | 57 |
| 2011 | 48 | 41 | 51 | 50 | 52 | 53 | 53 | 52 | 56 | 55 | 53 | 49 |
| 2012 | 41 | 39 | 42 | 50 | 53 | 57 | 58 | 57 | 51 | 51 | 48 | 43 |
| 2013 | 44 | 37 | 55 | |||||||||
| - = 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 |