Year constant 2010 US$ 2005 9859.45762961325 2006 12530.6112750893 2007 14075.0241552505 2008 13763.2065921545 2009 13821.4368992858 2010 10140.6575042343 2011 10461.2511080792 2012 11202.0000735892 2013 10855.7085665843 2014 10634.6520793802 2015 10953.3071883622 2016 9976.76622626394 2017 9103.32482462006