Year	current US$
2002	30148120833.64458
2003	36330629437.51039
2004	45238242934.59199
2005	50122264479.01107
2006	62245601124.21274
2007	78129213865.70355
2008	102742393753.80583
2009	93274113159.05864
2010	105023914228.89278
2011	115098508804.2067
2012	124369918951.02287
2013	132374207369.73755
2014	131502724914.97021
2015	115011355844.41275
2016	96287929505.57315
2017	111209293422.87471
2018	137759062870.93835
2019	153807199654.27728
2020	96227589251.75256
2021	109584606997.49133
2022	146236893460.33368