Year	constant 2010 US$
1990	2093430069.67363
1991	2269462339.56729
1992	2679752915.29153
1993	3262013568.02347
1994	2934322698.93656
1995	3183476054.27209
1996	5928225595.89292
1997	3675012394.57279
1998	3199725192.51925
1999	2563300843.41768
2000	1829342207.55409
2001	1951391199.11991
2002	2843753135.31353
2003	2251025889.25559
2004	2314347854.78548
2005	2325347121.3788
2006	2358155482.21489
2007	2984017968.46351
2008	3376976164.28309
2009	3366685075.17418
2010	3247524752.47525
2011	4448844884.48845
2012	5730839750.64173
2013	6415841584.15842
2014	4416574990.83242
2015	4706270627.06271
2016	4183830143.0143
2017	4517674880.82141
2018	5785555245.22625