Year	current US$
2004	1693166222579.515
2005	1983477398158.496
2006	2366372675507.607
2007	2912665070037.869
2008	3504017769256.4976
2009	3407048781440.8677
2010	4083266561933.4946
2011	4846658095485.29
2012	5153387935164.897
2013	5393037601817.492
2014	5674255682401.382
2015	5570663230209.22
2016	5508415555196.557
2017	6057684421910.092
2018	6541940820624.694
2019	6483219265005.108
2020	6357495222240.413
2021	7891047547614.617
2022	8089634657570.514
2023	7993116639520.457