Year	current US$
1992	998000000
1993	636000000
1994	778000000
1995	668000000
1996	961000000
1997	794000000
1998	1076000000
1999	1036000000
2000	1172000000
2001	1431000000
2002	1666000000
2003	2626000000
2004	3516000000
2005	4350000000
2006	5269000000
2007	6045000000
2008	7574000000
2009	6514000000
2010	6746000000
2011	10166000000
2012	10417000000
2013	10321000000
2014	9188000000
2015	9217000000
2016	8489000000
2017	8783000000
2018	11466000000
2019	13668000000
2020	10732000000
2021	11703000000
2022	14540000000
2023	17285000000