View History:    Monthly     Annual   
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Rocky Mountain (PADD 4) Imports from Non-OPEC Countries of Isobutane (Thousand Barrels)
Rocky Mountain (PADD 4) Imports from Non-OPEC Countries of Isobutane (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2007 5
  2008 4
  2009 9 8 4 4 4 20 3
  2010 6 4 4 11 3 6 7 12 5
  2011 7 8 3 3 16 18 23
  2012 17 13 6 19 19 19
  2013 18 19 22 7 11 6 19 25 11 16 17 11
  2014 13 14 19 25 11 18 17 9 2 19 13 16
  2015 15 16 11 15 15 17 22 15 15 20 15 19
  2016 15 16 20 23 38 22 14 21 10 1 1
  2017 7 5 28 24 38 52 36 1 5 2 2 9
  2018 16 15 41 43 8 39 21 18 10 9 9 12
  2019 26 2 12 28 19 13 3 24 26 31 18 31
  2020 4 19 19 2 4 6 4 19 2 2 5 13
  2021 14 23 8 2 1 11 5 2 2 1
  2022 4


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 5/31/2022
Next Release Date: 6/30/2022

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