Year	current US$
2005	13989999.927580358
2006	14700000.002980234
2007	31720000.211149454
2008	18639999.981969595
2009	20869999.909773465
2010	22210000.095888972
2011	31099999.75189566
2012	26618187.0335713
2013	28025235.80077102
2014	23827873.058617122
2015	23730983.026325706
2016	21260493.937355928
2017	16195800.103712834
2018	6544584.715971725
2019	18842042.23379493
2022	3545251.025236213