Year	current US$
1989	9813454353.423454
1990	10481541438.291643
1991	11694660150.042992
1992	12679593162.801796
1993	11667510813.715694
1994	12580978811.914978
1995	14522174217.223877
1996	15674171333.304096
1997	16930491616.594267
1998	17755678340.566006
1999	16317878757.83036
2000	18012765769.816433
2001	16805982859.771765
2002	19445272185.885555
2003	23345673412.758095
2004	27750013293.380928
2005	33290364348.664345
2006	41509658377.98073
2007	49416917251.34963
2008	52605722923.36227
2009	38160421926.4653
2010	42049417681.80165
2011	45745044068.401184
2012	49390801558.80143
2013	48993204202.39849
2014	47368418903.64598
2015	43698304960.40291
2016	48796877261.41972
2017	56628092448.52536
2018	62850405772.74919
2019	61115756391.84428
2020	57400204306.84483
2021	60796547666.36974
2022	67592663221.40663
2023	70154373651.49043