Year	constant 2010 US$
1980	34880000.4910952
1981	36228085.8833388
1982	38540749.6165839
1983	40398810.5172522
1984	42059307.179402
1985	43018416.6141474
1986	43821662.2205805
1987	44539456.1667546
1988	45736463.0236605
1989	44281733.9594141
1990	46536290.5636833
1991	44025378.9694634
1992	47781150.2297843
1993	49217421.8894753
1994	46620374.9632068
1995	48303430.971095
1996	47679510.7224683
1997	49601154.4215051
1998	50237372.9396217
1999	51204002.0175945
2000	56758653.7992803
2001	58082792.3209092
2002	59433092.5469232
2003	60683626.3614058
2004	61848510.3134768
2005	63603400.2393746
2006	65286921.0478351
2007	64758844.9506932
2008	64111256.5011863
2009	76228284.0809541
2010	87433841.7802282
2011	90931195.2897675
2012	89476296.2419244
2013	99139736.3290124
2014	106079517.813943
2015	110853095.979162
2016	121716699.644802
2017	131940902.17145