Year	constant 2015 US$
2002	1607115151.5151517
2003	1612630303.0303032
2004	1562993939.3939395
2005	1364448484.848485
2006	1270690909.0909092
2007	1185757575.757576
2008	1054496969.6969699
2009	869187878.7878789
2010	881321212.1212121
2011	816242424.2424242
2012	822860606.060606
2013	844921212.1212121
2014	880218181.8181819
2015	910000000
2016	1175830303.030303
2017	1448278787.8787878
2018	1169212121.2121212
2019	1036848484.8484849
2020	729103030.3030304