Year	current US$
2000	10.306532892279554
2001	10.81919892131201
2002	13.122102420275862
2003	16.26814352531148
2004	19.04543313568533
2005	22.719224834319846
2006	28.018566010080534
2007	36.51692589684371
2008	52.52813080328529
2009	67.69145304388299
2010	80.20384127054004
2011	103.02590444691386
2012	125.32268923863926
2013	145.64260804482248
2014	163.59763925813806
2015	180.5639367126639
2016	178.35346459909266
2017	191.7409537820717
2018	216.89505313674974
2019	229.8793209191357
2020	244.05246910348822
2021	278.76723390277715