Year	constant 2015 US$
2011	638416912911.2412
2012	688287208367.2678
2013	732343543066.3876
2014	780417325796.785
2015	814625889818.0283
2016	857748851127.9354
2017	906668509865.6205
2018	979855906433.7041
2019	1074481263375.7461
2020	1088308484144.6626
2021	1135355467867.3076
