Year	current US$
2011	42.54884888507486
2012	110.84880451244786
2013	125.99461039034827
2014	175.1601043117422
2015	149.61454540875582
2016	143.41360662101798
2017	204.8408422034192
2018	151.7508488668324
2019	160.47986360287933
2020	171.84810717135224
2021	197.1675038496886
2022	190.33434321556516