Year	constant 2021 international $
2000	34134.52422281544
2001	35161.272283311024
2002	35257.717322418626
2003	34637.64630106792
2004	34116.2318928449
2005	33482.20220138917
2006	33167.14747173991
2007	33321.7640314697
2008	33625.10614280945
2009	33229.37343952152
2010	32838.50674465324
2011	32539.81863968073
2012	32158.26910786525
2013	31593.631702433424
2014	30972.037574020567
2015	30706.055936206154
2016	30057.80131862374
2017	29579.53278670392
2018	29109.62330134829
2019	28515.467757101247
2020	23747.904273324675
2021	25163.993446326156
2022	27581.5042154438