Year	constant 2010 US$
1997	1400063063.88241
1998	1513334402.69514
1999	1487634236.12953
2000	1464311044.59
2001	1499972982.72262
2002	1595208856.27527
2003	1603441631.78877
2004	1748755928.85447
2005	1949186168.68472
2006	2156954740.18419
2007	2186733182.17465
2008	2324545537.06108
2009	2331549505.29873
2010	2440594498.48519
2011	2588871790.18269
2012	2695446559.94045
2013	2950729978.84748
2014	3003356741.26
2015	2921960913.18307
2016	2803189230.73746
2017	2852700430.69514
2018	3063251072.42569