Year	current US$
1990	47622164.0331393
1991	51621291.641743
1992	64702395.6094695
1993	71652540.0873578
1994	79515213.9485331
1995	97073346.7798822
1996	98528101.5846898
1997	108442458.089226
1998	141917752.444089
1999	145558261.560851
2000	174850378.050294
2001	190381109.383826
2002	210999422.810486
2003	221475784.751144
2004	237171185.618506
2005	268259812.862609
2006	282514058.563943
2007	319597805.387573
2008	301656187.855526
2009	327267112.803004
2010	326935083.28512
2011	350185257.323802
2012	377501077.911977
2013	420230018.648806
2014	469707053.126837
2015	568187867.007794
2016	628093076.1987
2017	620001216.621888
2018	717754608.225822
2019	787440938.408097
2020	824035124.699566
2021	977699522.584272