Year	constant 2015 US$
1995	9920783013580.74
1996	9828188451827.43
1997	10194282275131.803
1998	9879729512527.611
1999	10065223100646.277
2000	10490853383624.297
2001	10371427701639.654
2002	11097127137286.604
2003	10959047413549.355
2004	12358892421970.44
2005	12843187314529.506
2006	13895787989567.434
2007	15502303781467.871
2008	15684724320268.705
2009	14479710543803.23
2010	16025799332585.006
2011	16945041065776.186
2012	17472533463759.193
2013	18129710214134.445
2014	18998847025583.652
2015	19535299760263.402
2016	20131769714506.38
2017	21219250530048.715
2018	22212705157102.59
2019	22767162386449.562
2020	22145981368306.832
2021	23566525412310.457
2022	24555177158594.12