Year	current US$
1993	771.2128327843383
1994	715.7240636116584
1995	737.8332611553128
1996	743.2623616420834
1997	754.3341409827756
1998	706.322382489623
1999	686.215609087011
2000	671.1482271168094
2001	644.9292345485068
2002	631.4724348515041
2003	687.5797019621389
2004	833.491528770351
2005	1029.7793066801082
2006	1154.3795685288608
2007	1269.3694303181142
2008	1381.8849309466152
2009	1418.4953943184855
2010	1481.088287149927
2011	1568.9302535872698
2012	1699.8531681269562
2013	1779.6080888717017
2014	1834.6837520293898
2015	1731.291153202453
2016	1559.3374431850516
2017	1460.842174998111
2018	1511.3483425387567
2019	1575.6269050316118
2020	1517.1553410075971
2021	1581.6174357466637
2022	1645.8488388566934
2023	1642.2713647923902