Year	constant 2011 international $
1990	13074681341.2537
1991	18031470389.0989
1992	27933195706.4595
1993	32370276863.4141
1994	32900700757.6506
1995	34447472159.4119
1996	35460279205.8612
1997	34202600074.1208
1998	34852449475.516
1999	35200973970.295
2000	35693787605.8349
2001	37585558348.8937
2002	38525197307.7026
2003	39873579213.4477
2004	41867258174.0962
2005	40530273926.7234
2006	41925413440.3133
2007	45008165335.612
2008	49318496867.0301
2009	55726377153.5213
2010	60567693414.3061
2011	59822224157.2555
2012	62505820463.5288
2013	63005534025.7985
2014	68478781156.9252
2015	69761708828.2787
2016	74551788712.3173
2017	77598025455.7915
2018	76539680983.2501