Year	current US$
1990	24568000000
1991	28808000000
1992	35174000000
1993	42986000000
1994	49251000000
1995	55398000000
1996	63808000000
1997	92804000000
1998	89606000000
1999	96236000000
2000	107542000000
2001	111155000000
2002	111896000000
2003	118360080000
2004	123540000000
2005	124244000000
2006	133168000000
2007	152637000000
2008	182469000000
2009	255768000000
2010	268649000000
2011	285260000000
2012	317189000000
2013	311061000000
2014	328377000000
2015	358656000000
2016	386147000000
2017	431296000000
2018	424494000000
2019	441217000000
2020	491628000000
2021	496734000000
2022	423904000000
2023	425415000000