Year	current US$
1995	16549000000
1996	18688000000
1997	20546000000
1998	21895000000
1999	22776000000.000004
2000	25182000000.000004
2001	24708000000.000004
2002	24157000000.000004
2003	27027000000
2004	30692999999.999996
2005	34885999999.99999
2006	38092999999.99999
2007	42059999999.99999
2008	45475999999.99999
2009	41654999999.99999
2010	44466999999.99999
2011	47775999999.99999
2012	50877999999.99999
2013	54078999999.99999
2014	60141999999.99999
2015	62912000000
2016	67406000000
2017	71739000000
2018	74737000000
2019	77532999999.99998