Year	current US$
1995	4564210000
1996	8373690000.000001
1997	12134750000
1998	20460970000
1999	29576810000
2000	31279370000
2001	26016650000
2002	28380430000
2003	37020270000
2004	70530890000
2005	94028510000
2006	148848930000
2007	211620200000
2008	90815490000
2009	150961530000
2010	190705940000
2011	138244230000
2012	177408380000
2013	204542550000
2014	168895630000
2015	137769580000
2016	138691082497.667
2017	201392890000
2018	160482620000
2019	151618860000
2020	177508140000
2021	197389020000
2022	147657240000