Year	current US$
2000	10.7885643
2001	16.75947089
2002	65.32409453
2003	70.72262916
2004	83.45597912
2005	90.99429052
2006	96.4092025
2007	116.24679507
2008	137.49530732
2009	142.9799443
2010	150.03578994
2011	163.3305533
2012	162.39777611
2013	195.90517403
2014	200.71939816
2015	163.90090529
2016	164.98188357
2017	169.88516025
2018	181.41595479
2019	177.07491614
2020	185.05799147
2021	197.9914789