Q4 2016 Gas Volume/Margin by Contract Type

Q3 2016 Gas Volume/Margin by Contract Type

Q2 2016 Gas Volume/Margin by Contract Type

Q1 2016 Gas Volume/Margin by Contract Type

Q4 2015 Gas Volume/Margin by Contract Type

Q3 2015 Gas Volume/Margin by Contract Type

Q2 2015 Gas Volume/Margin by Contract Type

Q1 2015 Gas Volume/Margin by Contract Type

Q4 2014 Gas Volume/Margin by Contract Type

Q3 2014 Gas Volume/Margin by Contract Type

Q2 2014 Gas Volume/Margin by Contract Type

Q1 2014 Gas Volume/Margin by Contract Type

Q4 2013 Gas Volume/Margin by Contract Type

Q3 2013 Gas Volume/Margin by Contract Type

Q2 2013 Gas Volume/Margin by Contract Type

Q1 2013 Gas Volume/Margin by Contract Type

Q4 2012 Gas Volume/Margin by Contract Type

Q3 2012 Gas Volume/Margin by Contract Type

Q2 2012 Gas Volume/Margin by Contract Type

Q1 2012 Gas Volume/Margin by Contract Type

Q4 2011 Gas Volume/Margin by Contract Type

Q3 2011 Gas Volume/Margin by Contract Type

Q2 2011 Gas Volume/Margin by Contract Type

Q1 2011 Gas Volume/Margin by Contract Type

Q4 2010 Gas Volume/Margin By Contract Type