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| Rocky Mountain (PADD 4) Normal Butane-Butylene Stocks in Pipelines (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 51 | 52 | 49 | 49 | 49 | 59 | 53 | 51 | 53 | 52 | 54 | 53 |
| 1994 | 76 | 73 | 82 | 82 | 84 | 82 | 81 | 79 | 97 | 75 | 73 | 74 |
| 1995 | 71 | 73 | 74 | 75 | 75 | 76 | 75 | 77 | 77 | 75 | 72 | 73 |
| 1996 | 72 | 73 | 74 | 75 | 76 | 76 | 75 | 75 | 76 | 74 | 72 | 72 |
| 1997 | 75 | 73 | 72 | 74 | 74 | 74 | 73 | 73 | 74 | 72 | 72 | 71 |
| 1998 | 72 | 71 | 72 | 73 | 74 | 74 | 77 | 78 | 76 | 74 | 73 | 73 |
| 1999 | 73 | 73 | 74 | 75 | 75 | 74 | 73 | 74 | 73 | 72 | 71 | 154 |
| 2000 | 154 | 155 | 156 | 156 | 157 | 161 | 156 | 157 | 159 | 155 | 157 | 155 |
| 2001 | 159 | 158 | 156 | 158 | 159 | 158 | 157 | 157 | 151 | 151 | 156 | 157 |
| 2002 | 158 | 157 | 160 | 157 | 157 | 157 | 157 | 158 | 157 | 158 | 157 | 158 |
| 2003 | 158 | 157 | 158 | 160 | 161 | 160 | 159 | 158 | 160 | 159 | 158 | 157 |
| 2004 | 157 | 159 | 160 | 120 | 119 | 120 | 120 | 122 | 120 | 121 | 121 | 121 |
| 2005 | 121 | 121 | 123 | 120 | 120 | 120 | 121 | 122 | 122 | 122 | 123 | 124 |
| 2006 | 122 | 125 | 127 | 125 | 125 | 125 | 125 | 127 | 100 | 107 | 102 | 99 |
| 2007 | 97 | 100 | 101 | 99 | 99 | 97 | 98 | 98 | 99 | 98 | 98 | 99 |
| 2008 | 99 | 100 | 99 | 100 | 106 | 106 | 108 | 110 | 110 | 109 | 92 | 93 |
| 2009 | 90 | 89 | 90 | 89 | 88 | 86 | 87 | 90 | 90 | 89 | 88 | 90 |
| 2010 | 73 | 77 | 60 | 78 | 78 | 79 | 76 | 77 | 82 | 82 | 83 | 81 |
| 2011 | 77 | 78 | 79 | 78 | 77 | 74 | 229 | 73 | 79 | 74 | 73 | 72 |
| 2012 | 72 | 74 | 75 | 75 | 75 | 76 | 77 | 77 | 75 | 75 | 74 | 73 |
| 2013 | 74 | 75 | 76 | |||||||||
| - = 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 |