Year	constant 2010 US$
1995	11437358384.8672
1996	12588713604.9472
1997	16246469952.7101
1998	14498002109.8581
1999	14036996489.6326
2000	15023974918.1521
2001	16800300745.7257
2002	19853732393.5977
2003	22182309748.9996
2004	23338616660.6039
2005	24562265460.1673
2006	26590378155.693
2007	28208181957.0753
2008	29324363404.8745
2009	23344642360.8585
2010	22768439105.1291
2011	23335187031.6479
2012	22638621807.9302
2013	23342699036.0131
2014	24062373135.6857
2015	26267346962.5318
2016	27897975954.8927
2017	30168036849.7636
2018	31817935649.327