Year	current US$
2005	17639999.743551023
2006	18040000.038221482
2007	25669999.619945887
2008	29229999.948292963
2009	30429999.932646755
2010	25980000.177398324
2011	18940000.245347615
2012	18110000.2937019
2013	17379999.969154604
2014	14190000.10192394
2015	12690000.133588903
2016	14250000.059604632
2017	15520000.07778406
2018	12340000.03337861
2019	38070000.696927324
2020	13769999.908283342
2021	17619999.77380037
2022	11350000.22314488