Year	constant 2015 US$
1995	30485680735.194
1996	29754872362.15112
1997	22520327887.451775
1998	25447824483.77581
1999	26718504651.69049
2000	28600379509.870655
2001	30937592466.530518
2002	32513096777.85341
2003	35367940208.75878
2004	38519485477.649185
2005	42322381438.62036
2006	47018877921.488525
2007	51796237803.49443
2008	55375836737.0093
2009	49547905604.71976
2010	48126383594.281815
2011	48560777172.679825
2012	49874750964.37485
2013	48141525981.393234
2014	49224015203.086
2015	50365465169.04924
2016	50745069775.35738
2017	52583576696.16519
2018	55406182777.39959
2019	58094118447.92376
2020	58133366235.53438
2021	62400797594.73564
2022	66007672452.91581
2023	65407119355.57069