Year	current US$
2000	57.17119852975948
2001	56.480185345285086
2002	54.85718540990487
2003	59.86006215564454
2004	68.0102309179084
2005	80.07623753519945
2006	89.78128206702908
2007	104.574240600562
2008	120.6844375539954
2009	122.6096852375456
2010	142.78981704203412
2011	166.17346921390117
2012	174.5457395723574
2013	181.4985333272187
2014	183.85863740680958
2015	174.24012228456746
2016	178.2626331552263
2017	202.24834661010715
2018	216.23229748008671
2019	222.7824305097525
2020	221.95259766290675
2021	254.46768868990168