Year	current US$
1994	6.36358092739727
1995	12.466301257579653
1996	9.124689133918626
1997	12.816427011640176
1998	14.301486553383342
1999	93.81464253878049
2000	150.90710559775323
2001	173.81111468722915
2002	278.080941078827
2003	175.18401694047301
2004	155.3899979823391
2005	143.59940353401376
2006	213.1249086152082
2007	106.32548613053359
2008	127.00432854485551
2009	81.96363843867813
2010	90.71875151933378
2011	190.64848904408277
2012	151.09992979612247
2013	108.9134063318836
2014	51.47550321221862
2015	44.039907498485704
2016	89.74795577520054
2017	240.48628300776204
2018	153.25514594801453
2019	81.29314207308147
2020	70.7872265439402
2021	78.0325649951391
2022	76.5449634145018