Year	current US$
2009	435.1236658257725
2010	294.282554940189
2011	324.10808457098165
2012	313.6174580984043
2013	312.7136415274534
2014	319.61566830473237
2015	244.83333905153236
2016	208.1677261428449
2017	219.07835727644678
2018	192.0387657520724
2019	192.74092953511754
2020	303.93273409844073
2021	253.91397047543222
2022	215.70218014441213