Year	current US$
1995	2443702011.06725
1996	2463675945.00169
1997	2500526973.43198
1998	2728193909.6237
1999	2997069974.7885
2000	3244668632.30557
2001	3273544637.52363
2002	3394051716.49199
2003	4008539350.24198
2004	4802054562.54525
2005	6228341057.68188
2006	8537193010.91019
2007	10099602066.1582
2008	11190645234.195
2009	9146781939.28336
2010	9258406214.23179
2011	16642703822.889
2012	19633047083.8538
2013	21342500181.543
2014	22950489152.8963
2015	21213709807.4369
2016	24824956307.6333
2017	24767817028.2641