Year	constant 2015 US$
2006	9509.432795192846
2007	9928.44598678933
2008	10160.149136805649
2009	9590.638591541383
2010	9752.325011134757
2011	9972.77656803682
2012	10218.709557654012
2013	10188.712966646333
2014	10198.242306652339
2015	10417.34366169243
2016	10473.669977043495
2017	10809.739014035033
2018	11026.83462522131
2019	11357.21008771116
2020	10557.450548635832
2021	11132.393670480837