Year	constant 2015 US$
1982	41442527.956575155
1983	43751457.7202936
1984	33528960.63815403
1985	34141211.550676666
1986	37561855.15964555
1987	36226060.47082646
1988	40725899.10225071
1989	38589748.939277016
1990	41360483.34434358
1991	44242288.18122097
1992	46251100.59318371
1993	47846586.225987606
1994	52224511.7474083
1995	48165203.812331595
1996	57239672.441516995
1997	61620364.54111145
1998	67534478.70314525
1999	68729640.47420695
2000	69666864.94020233
2001	73168154.05763286
2002	73595867.04329522
2003	77591728.11892049
2004	79969140.96289971
2005	84675459.31354502
2006	87959756.48288079
2007	88943182.80437785
2008	90403936.08011994
2009	92121243.37184148
2010	91744804.30166602
2011	90963338.18685299
2012	93553685.3309388
2013	96037980.31169738
2014	95121228.52418777
2015	103048028.30762757
2016	108970534.42345509
2017	114212554.5278116
2018	116461321.48671128
2019	120390391.96022753
2020	119833292.56120913
2021	120438396.17458086