Year	current US$
2005	17809999.966993935
2006	18640000.017359857
2007	40479999.76761639
2008	25489999.94248152
2009	30019999.89524483
2010	31620000.19103288
2011	40129999.78661536
2012	35257025.46350659
2013	41622235.342860214
2014	36329119.28370597
2015	37179409.87925978
2016	32868682.808009923
2017	28609899.91971292
2018	9009540.959261362
2019	32464489.188045263
2022	2574879.0014768024