Year	current US$
1990	13741976207.386362
1991	14092559082.892418
1992	14427392067.392067
1993	13096294241.151772
1994	14547554331.190695
1995	16368944295.40792
1996	15048361934.477379
1997	14616895874.263262
1998	15480291487.247433
1999	14250121339.589064
2000	13654108034.498411
2001	12533467683.892328
2002	15932254196.642685
2003	17472653061.224487
2004	17640058586.598316
2005	13858181818.181818
2006	15455381784.728611
2007	17382953181.272507
2008	19757352941.176468
2009	16312509736.719114
2010	14581738531.58404
2011	18181793835.89999
2012	17011375442.190222
2013	17639042321.62623
2014	22832521875.3565
2015	18479999311.502766
2016	15567733565.14465
2017	15921439683.723547
2018	16398480675.813131
2019	17243071438.39893
2020	17807701971.860184
2021	22290993560.34503
2022	24210475112.77506
2023	24340650074.323902