Year	current US$
1993	1739289472.781532
1994	2044818377.6272364
1995	2427581009.7965336
1996	2624589245.980873
1997	2169622633.1762285
1998	2342911663.754755
1999	2097011212.2930238
2000	2009742068.3758469
2001	2172248703.1920013
2002	2186073931.078299
2003	2442234747.7755327
2004	2893991392.9291277
2005	3133228146.6269293
2006	3383048027.049514
2007	3972760019.1192336
2008	4546705951.955576
2009	3644179824.791481
2010	3220923383.032477
2011	4551106422.856488
2012	4701774996.80756
2013	5005880424.276239
2014	5052776105.022281
2015	4157812896.996799
2016	4096290562.911079
2017	4498524148.355181
2018	4821279418.927048
2019	4699538859.030405
2020	4822610700.014003
2021	5200070731.688557
2022	5525581196.215267
2023	5318026706.509954