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Note: These data are available in spreadsheet format by clicking the ''Download Series History'' link on the previous page (with drop-down menu bar at top).
 View History:    Monthly     Annual   
Rocky Mountain (PADD 4) Ethane-Ethylene Ending Stocks (Thousand Barrels)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1980's 0 1 1 134 140 131 128 146 134
  1990's 174 186 178 176 215 217 220 213 210 457
  2000's 455 463 522 445 332 323 423 422

Updated on 6/26/2008
Source: U.S. Energy Information Administration
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