Year	current US$
1990	106338393.813489
1991	79104560.5600009
1992	88101846.1716702
1993	95817425.0058134
1994	107045435.588486
1995	124284353.536149
1996	132430958.344614
1997	121991718.886191
1998	120650475.978542
1999	108227207.146288
2000	94930353.7066898
2001	98187121.5676878
2002	118938658.182018
2003	144761860.106894
2004	160985876.155156
2005	178423954.639366
2006	191308286.149757
2007	231235870.774105
2008	289739054.372785
2009	263481988.571353
2010	251267551.392976
2011	261587681.030877
2012	231925590.49173
2013	227344802.508541
2014	206430575.291065
2015	175547026.988688
2016	179959326.614676
2017	191862355.198397
2018	231063098.725109
2019	236996573.417447
2020	248670282.4235
2021	275508628.32361