Year	current US$
2000	411099.639701758
2001	1758861.85520415
2002	588285.35353529
2003	656928.196006545
2004	5498714.18591446
2005	4031135.46744646
2006	4350436.78620187
2007	7209579.40752706
2008	25387103.7952574
2009	8302700.51656475
2010	15841836.8827534
2011	18629215.5919415
2012	7622515.97426485
2013	4014397.50854038
2014	2954377.74283033
2015	2184042.71709863
2016	2623446.91284568
2017	3014562.90242216
2018	3590536.50881435
2019	2767051.28611415
2020	2432143.54561754
2021	5037922.54192361