Year	current international $
2000	498.559390619274
2001	541.677564665706
2002	571.705011088783
2003	672.278944272229
2004	723.827388231756
2005	742.658057599334
2006	786.075916986882
2007	831.045372718491
2008	859.314794004374
2009	903.097509413636
2010	887.299909505089
2011	924.065894617808
2012	985.070630088744
2013	1022.51216576681
2014	1016.27152817736
2015	1062.24538653138
2016	1089.15254817402
2017	1093.28675776459
2018	1100.85913214163
2019	1101.81204678275
2020	1152.4465342236
2021	1190.11002808737