Year	current US$
1993	771.2128327843383
1994	715.7240636116588
1995	737.8332611553133
1996	743.262361642084
1997	754.3341409827761
1998	706.3223824896235
1999	686.2156090870111
2000	671.1482271168095
2001	644.9292345485071
2002	631.4724348515043
2003	687.5797019621392
2004	833.4915287703514
2005	1029.779306680109
2006	1154.3795685288608
2007	1269.369430318115
2008	1381.8849309466154
2009	1418.4953943184853
2010	1481.0882871499266
2011	1568.9302535872691
2012	1699.8531681269567
2013	1779.6080888717022
2014	1834.6837520293905
2015	1731.2911532024536
2016	1559.3374431850525
2017	1460.8421749981112
2018	1511.3483425387558
2019	1575.6269050316105
2020	1517.1553410075967
2021	1581.617435746663
2022	1645.8488388566923
2023	1642.2713647923897