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|View History:  Monthly  Annual Download Data (XLS File)                                  
|View History:  Monthly  Annual                                                            
|View History:  Monthly  Annual                                                            
|View History:                                                                             
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|Percent of Industrial Natural Gas Deliveries in Oregon Represented by the Price  (Percent)
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|Percent of Industrial Natural Gas Deliveries in Oregon Represented by the Price  (Percent)
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|Year                                                                                                                              | Jan  | Feb  | Mar  | Apr  | May  | Jun  | Jul  | Aug  | Sep  | Oct  | Nov  | Dec 
|--------------------------------------------------------------------------------------------------------------------------------- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ----
|2001                                                                                                                              | 27.2 | 17.0 | 18.7 | 20.3 | 20.5 | 20.7 | 23.5 | 26.8 | 24.2 | 21.1 | 20.6 | 21.4
|2002                                                                                                                              | 18.9 | 20.8 | 20.3 | 19.3 | 12.6 | 11.1 | 10.1 | 8.9  | 10.8 | 11.5 | 12.6 | 12.8
|2003                                                                                                                              | 13.8 | 14.3 | 13.8 | 12.7 | 16.1 | 16.2 | 15.5 | 15.6 | 19.2 | 21.1 | 24.5 | 25.4
|2004                                                                                                                              | 25.1 | 24.3 | 24.2 | 23.3 | 21.8 | 22.9 | 22.6 | 22.1 | 23.8 | 23.5 | 31.1 | 33.4
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|2005                                                                                                                              | 34.3 | 34.3 | 32.7 | 31.0 | 30.2 | 30.1 | 31.4 | 32.1 | 33.6 | 35.0 | 34.8 | 38.2
|2006                                                                                                                              | 36.0 | 36.3 | 35.1 | 26.5 | 25.4 | 24.3 | 23.2 | 21.2 | 21.6 | 20.5 | 21.5 | 24.0
|2007                                                                                                                              | 23.6 | 24.3 | 22.9 | 21.8 | 20.8 | 21.8 | 20.0 | 19.7 | 21.2 | 21.3 | 21.2 | 22.0
|2008                                                                                                                              | 22.9 | 22.6 | 22.7 | 22.5 | 21.2 | 20.1 | 17.4 | 16.8 | 18.5 | 18.0 | 18.5 | 18.8
|2009                                                                                                                              | 21.8 | 21.9 | 21.6 | 20.5 | 18.4 | 17.0 | 15.7 | 15.9 | 18.2 | 18.5 | 16.7 | 18.7
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|2010                                                                                                                              | 18.9 | 18.6 | 17.7 | 17.9 | 16.2 | 14.6 | 14.4 | 14.9 | 16.3 | 16.8 | 17.6 | 19.9
|2011                                                                                                                              | 18.3 | 19.0 | 18.0 | 17.3 | 16.1 | 15.3 | 15.5 | 15.2 | 16.2 | 16.9 | 18.3 | 18.3
|2012                                                                                                                              | 19.2 | 17.8 | 17.6 | 17.0 | 15.3 | 15.7 | 15.8 | 14.3 | 16.3 | 16.8 | 16.8 | 17.1
|2013                                                                                                                              | 17.8 | 17.8 | 16.4 | 16.9 | 16.3 | 14.8 | 14.4 | 14.4 | 16.6 | 17.9 | 17.2 | 20.1
|2014                                                                                                                              | 19.1 | 19.1 | 17.9 | 18.0 | 16.1 | 15.9 | 16.0 | 15.3 | 16.4 | 16.2 | 17.3 | 17.8
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|2015                                                                                                                              | 15.9 | 16.0 | 15.4 | 15.6 | 14.5 | 13.6 | 13.8 | 13.9 | 15.4 | 15.3 | 14.9 | 15.0
|2016                                                                                                                              | 16.4 | 15.9 | 15.5 | 14.1 | 12.8 | 12.7 | 12.6 | 12.9 | 14.0 | 14.0 | 15.1 | 15.9
|2017                                                                                                                              | 17.5 | 17.1 | 16.6 | 15.3 | 14.2 | 13.4 | 13.4 | 13.3 | 14.8 | 15.5 | 16.4 | 17.1
|2018                                                                                                                              | 16.8 | 17.8 | 16.6 | 16.1 | 14.2 | 14.0 | 13.5 | 13.6 | 15.9 | 14.8 | 15.7 | 17.0
|2019                                                                                                                              | 16.2 | 17.1 | 16.2 | 15.7 | 14.7 | 13.1 | 13.5 | 14.0 | 16.0 | 14.7 | 16.3 | 15.9
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|2020                                                                                                                              | 16.3 | 17.6 | 16.6 | 14.9 | 14.4 | 15.0 | 14.4 | 14.7 | 15.4 | 16.0 | 18.0 | 17.3
|2021                                                                                                                              | 17.4 | 17.7 | 18.4 | 16.6 | 16.4 | 16.1 | 15.7 | 16.1 | 15.2 | 17.0 | 17.8 | 18.5
|2022                                                                                                                              | 19.1 | 20.2 | 18.9 | 18.8 | 18.0 | 17.0 | 19.1 | 19.1 | 18.6 | 20.4 | 20.6 | 21.2
|2023                                                                                                                              | 21.8 | 20.7 | 21.3 | 21.3 | 18.4 | 18.1 | 17.4 | 17.4 | 21.2 | 18.6 | 20.9 | 20.3
|2024                                                                                                                              | 19.5 | NA   | 20.4 | 19.4 | 18.6 |      |      |      |      |      |      |     
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|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 7/31/2024                                                                                                          
|Next Release Date: 8/30/2024