Year	current US$
2004	2284704997526.234
2005	2462513737479.082
2006	2651145124585.961
2007	3019989707436.5786
2008	3464254635840.9424
2009	3446297521318.4585
2010	4144606807203.6523
2011	4788098405746.825
2012	5107832124067.621
2013	5164100330710.791
2014	5400467929132.698
2015	5327937287077.437
2016	5403866443077.969
2017	5818416027391.557
2018	6339641191812.521
2019	6261129220875.038
2020	6260524436800.628
2021	7534483945749.947
2022	7239410784416.072
2023	7002291309714.353