Year	current US$
1999	7360000
2000	5860000
2001	8279999.999999999
2002	6680000
2003	15070000
2004	28190000
2005	56830000
2006	55110000
2007	67230000
2008	91850000
2009	75400000
2010	73710000
2011	86020000
2012	79680000
2013	86040000
2014	83210000
2015	84910000
2016	106010000
2017	119200000
2018	137740000
2019	115770000
2020	141200000
2021	155280000
2022	171880000