Year	current US$
2006	153139254.30984446
2007	179459541.11572093
2008	176306533.21878952
2009	159024097.05660668
2010	173156818.05542037
2011	225000125.51760733
2012	236344142.6908699
2013	261628059.06489208
2014	281699109.1555036
2015	248993720.012624
2016	262162551.3960073
2017	282507694.9505883
2018	295727873.73864216
2019	277043776.95320773
2020	311810916.94541806
2021	351403463.8390383
2022	337340566.6679964
2023	349564085.58125424