Year	current US$
2000	38.565448107851026
2001	39.71629069161746
2002	44.27934701424433
2003	50.564275261748534
2004	56.8764312432401
2005	65.32057903630957
2006	74.91241640574194
2007	89.58813110056178
2008	117.06528819761155
2009	139.0903895708793
2010	161.0365410751021
2011	201.15696798503876
2012	234.5371801435921
2013	265.07732133135835
2014	288.75291663872355
2015	308.6680148313238
2016	313.93475555348175
2017	344.21916276092804
2018	390.172054525948
2019	416.3777017803679
2020	448.0166774065803
2021	515.7439182284081