Year	current US$
1995	53077333613.20277
1996	56745001761.18411
1997	65015147684.920845
1998	63049893096.34917
1999	60959080114.0935
2000	70728293110.97037
2001	73409404222.71515
2002	79383383025.89554
2003	86098852939.9486
2004	103928334504.79898
2005	117065476779.4694
2006	131958287314.3446
2007	161008963839.24182
2008	190016795894.26285
2009	185747725921.25604
2010	224325067724.76306
2011	266399214992.68307
2012	314423623494.60004
2013	367217719443.9444
2014	478884472268.793
2015	479782154116.4587
2016	470334102788.9678
2017	512965928817.5593
2018	549449803109.99414
2019	536716848638.6581