Year	current US$
1993	14465000000
1994	15940000000
1995	21335000000
1996	22165000000
1997	22360000000
1998	25855000000
1999	26556000000
2000	29094000000
2001	33324000000
2002	38492000000
2003	48702000000
2004	68986000000
2005	78110000000
2006	94929000000
2007	122498000000
2008	146799000000
2009	112955000000
2010	132982000000
2011	162939000000
2012	157041000000
2013	162274000000
2014	175021000000
2015	157878000000
2016	162692000000
2017	182142000000
2018	202238000000
2019	199128000000
2020	191911000000
2021	226564000000
2022	242015000000
2023	255450000000