Description of chart 4 – Business investment in non-residential structures and in machinery and equipment

The title of the graph is "Business investment in non-residential structures and in machinery and equipment."
This is a combined line chart.
There are in total 21 categories in the horizontal axis. The vertical axis starts at -20 and ends at 15 with ticks every 5 points.
There are 2 series in this graph.
The vertical axis is "quarterly % change, chained (2007) dollars."
The units of the horizontal axis are quarters by year from third quarter 2007 to third quarter 2012.
The title of series 1 is " Real business investment in non-residential structures."
This series is a line chart.
The minimum value is -12.8 occurring in first quarter 2009.
The maximum value is 9.1 occurring in first quarter 2010.
The title of series 2 is " Real business investment in machinery and equipment."
This series is a column clustered chart.
The minimum value is -15.4 occurring in first quarter 2009.
The maximum value is 6.7 occurring in second quarter 2011.