Year	current US$
2000	38.73606985
2001	48.76955033
2002	59.35988846
2003	80.20005277
2004	92.52616626
2005	125.96872069
2006	136.57929849
2007	179.93268325
2008	275.44658322
2009	246.86320055
2010	234.81528736
2011	260.79269546
2012	238.41627099
2013	239.68246728
2014	245.9936169
2015	210.87249792
2016	222.78957388
2017	243.37356696
2018	271.0656752
2019	276.41874544
2020	266.16718954
2021	345.3976265