Chart 2 
Trade balance

Chart description

The title of the graph is "Trade balance."
This is a column clustered chart.
There are in total 61 categories in the horizontal axis. The vertical axis starts at -4 and ends at 6 with ticks every 1 points.
There are 1 series in this graph.
The vertical axis is "billions of dollars."
The units of the horizontal axis are months by year from January 2009 to January 2014.
The title of series 1 is "Trade balance."
The minimum value is -2.903 occurring in July 2012.
The maximum value is 2.433 occurring in December 2011.