Year	constant 2010 US$
2007	1950185951.28018
2008	1970437222.71054
2009	2837606675.5202
2010	3674676335.26289
2011	3036988276.5309
2012	3657877298.50255
2013	3695492387.00919
2014	4145879627.59032
2015	2954844516.94955
2016	2371338675.81342
2017	1824908324.15597
2018	1933920038.35946