Year	current US$
2000	443.5063865684724
2001	427.6817495304843
2002	436.5966174537719
2003	448.30310087090726
2004	521.6553234702042
2005	593.3985105285591
2006	668.270763600059
2007	769.6819403899016
2008	906.3617365238481
2009	953.5146539608179
2010	1012.3605854057752
2011	606.6866147564638
2012	596.4384378331669
2013	595.2329552162324
2014	632.3470947221407
2015	627.8722086634319
2016	627.4944499162381
2017	682.3025293499661
2018	561.5780190072601
2019	585.8217729609587
2020	559.2657322747009
2021	559.4425674159852