Year	constant 2015 US$
1992	17933876781.198036
1993	17826870919.974598
1994	16983089695.192957
1995	18959713538.15077
1996	22091933889.645687
1997	24193764043.284748
1998	23747096343.776936
1999	22860462402.620686
2000	24304954987.131622
2001	28891542587.86404
2002	30476186621.692947
2003	32946381712.096848
2004	40382550131.540596
2005	46408191484.59411
2006	55297865061.75934
2007	60649741397.826126
2008	63141254668.91049
2009	51202515402.86402
2010	59694243320.087456
2011	64351453635.33394
2012	65699551739.90738
2013	69428776568.56403
2014	72573106143.74724
2015	78755121134.09254
2016	82556609646.82848
2017	85923245662.82886
2018	90021936065.03783
2019	91985048260.0136
2020	84502222604.49329
2021	94416599016.43703
2022	98432516428.4667
2023	90996674205.8128