Year	current US$
1993	138067474.4
1994	164007873.5
1995	189103029.77562
1996	110474333.06836
1997	71076227.8459013
1998	345841414.729526
1999	310628663.805282
2000	293965052.442242
2001	256460660.821206
2002	332664617.82989
2003	493715526.468209
2004	1221907271.67874
2005	1340517764.03134
2006	1603247263.59946
2007	1827046314.65387
2008	1134443632.52277
2009	1196075195.4604
2010	1229063881.62709
2011	1394312632.61621
2012	1409130136.93554
2013	1737884336.69173
2014	2628261738.22966
2015	2674828099.31282
2016	3126388080.0369
2017	3585217056.96609
2018	3935990609.0368
2019	3859937090.42623
2020	4185806688.22455
2021	4386865792.78709
2022	4152543466.91855
2023	4190216683.16604