Description of chart 1 – The 12-month change in the gasoline index

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The title of the graph is "The 12-month change in the gasoline index."
This is a line chart.
There are in total 61 categories in the horizontal axis. The vertical axis starts at -35 and ends at 35 with ticks every 10 points.
There are 1 series in this graph.
The vertical axis is "12-month % change."
The units of the horizontal axis are months by year from January 2008 to January 2013.
The title of series 1 is "12-month change in the gasoline index."
The minimum value is -28.3 occurring in July 2009.
The maximum value is 29.5 occurring in May 2011.

The 12-month change in the gasoline index

	12-month % change
January 2008	20.9
February 2008	17.1
March 2008	7.9
April 2008	11.6
May 2008	15.0
June 2008	26.9
July 2008	28.6
August 2008	26.3
September 2008	26.5
October 2008	13.3
November 2008	-14.4
December 2008	-25.8
January 2009	-23.5
February 2009	-19.7
March 2009	-21.0
April 2009	-24.7
May 2009	-25.1
June 2009	-24.3
July 2009	-28.3
August 2009	-21.2
September 2009	-23.0
October 2009	-13.1
November 2009	14.1
December 2009	25.6
January 2010	23.9
February 2010	15.3
March 2010	17.2
April 2010	16.3
May 2010	6.9
June 2010	-2.9
July 2010	4.8
August 2010	1.9
September 2010	3.1
October 2010	8.8
November 2010	7.2
December 2010	13.0
January 2011	13.0
February 2011	15.7
March 2011	18.9
April 2011	26.4
May 2011	29.5
June 2011	28.5
July 2011	23.5
August 2011	22.8
September 2011	22.7
October 2011	18.2
November 2011	13.5
December 2011	7.6
January 2012	6.8
February 2012	8.9
March 2012	6.6
April 2012	3.3
May 2012	-2.3
June 2012	-1.8
July 2012	-1.3
August 2012	2.2
September 2012	4.7
October 2012	4.0
November 2012	0.4
December 2012	1.0
January 2013	-1.8