Year	current US$
2008	-2194448513.256189
2009	-1971239233.1203113
2010	-2075544637.5424395
2011	-2298687107.9906573
2012	-1992036878.5797431
2013	-1959695595.2958052
2014	-2123894687.0582736
2015	-1833203520.264153
2016	-1828647994.6780071
2017	-1849222666.8142781
2018	-2222452770.695334
2019	-2143056102.891126
2020	-2486288498.247813
2021	-2995351186.512053
2022	-3064733372.874155
2023	-3208154989.1317277