Year	constant 2010 US$
2007	4900805659.33849
2008	4932366562.81099
2009	7213377752.47142
2010	8013344785.92283
2011	7684132758.92561
2012	8801036725.24524
2013	9486453144.57681
2014	10096464962.6449
2015	9318468397.95676
2016	8878671576.30534
2017	7761498294.82043