Year	current US$
2002	-44000000
2003	-61000000
2004	-110000000
2005	-120000000
2006	-143000000
2007	-120000000
2008	-117000000
2009	-29000000
2010	-177000000
2011	-228000000
2012	-163000000
2013	-193000000
2014	-266000000
2015	-237000000
2016	-210000000
2017	-264000000
2018	-226000000
2019	-215000000
2020	-259000000
2021	-362000000
2022	-268000000