Year	current US$
1994	10732013.249008
1995	13756477.2116073
1996	14021004.8246423
1997	16317447.1522654
1998	16911947.955787
1999	20967113.2807723
2000	26501061.4888452
2001	28903190.5467151
2002	33670575.7472096
2003	41267191.7850352
2004	46694338.6417036
2005	53412684.0522509
2006	58356163.1939442
2007	77739367.3245715
2008	86930647.4206813
2009	73400677.3293729
2010	73287235.1297757
2011	73037556.8079448
2012	73084355.7515808
2013	75757877.9875446
2014	78604156.9450495
2015	64393477.216141
2016	66554236.3431321
2017	67721767.9331124
2018	71557533.5319526
2019	77345115.3870472
2020	76616432.2450223
2021	81098598.4370543