Year	constant 2015 US$
2008	5934459412903.543
2009	5173669829179.41
2010	5956759085704.263
2011	6424013412270.771
2012	6718777497636.882
2013	6857519813684.874
2014	6906021975798.241
2015	6690721594537.142
2016	6793845692279.67
2017	7492819891361.878
2018	7937749149191.896
2019	7948732505851.426
2020	7091467593749.062
2021	8226590595068.369
