Year	constant 2015 US$
2002	8775440118.092022
2003	9073427569.694063
2004	9246946586.578104
2005	9966522032.010994
2006	11043657125.483145
2007	12008433549.660599
2008	13509016016.583004
2009	11950643996.344065
2010	12572582881.061676
2011	16273542926.63706
2012	16234362625.738628
2013	19964234979.273712
2014	16497146238.228773
2015	14871125503.338537
2016	13300590654.983747
2017	13352734619.086893
2018	13102951304.223726
2019	13412530475.77279
2020	12379897022.616312
2021	12024561430.084469
2022	12462384098.436905
2023	10100788720.062128
