View History:  Annual  
Download Data (XLS File)
Iowa Natural Gas Supplemental Gas - Propane Air  (Million Cubic Feet)
Iowa Natural Gas Supplemental Gas - Propane Air (Million Cubic Feet)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1980's 57 15 46 1 0 0 5 3 5 28
  1990's 24 3 2 84 30 9 301 137 17 12
  2000's 44 39 23 118 14 2 1 2 24 3
  2010's 2 1


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 11/28/2014
Next Release Date: 12/31/2014

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