Year	current US$
1995	8000000
2005	9500000
2006	12600000.3814697
2007	13100000.3814697
2008	15800000.1907349
2009	12899999.6185303
2010	14100000.3814697
2011	16299999.2370605
2012	16600000.381469702
2014	16000000
2015	15000000
2016	17000000
2017	18000000
2018	20000000
2019	22000000
2020	12000000