Year	current US$
1993	226669375792.90994
1994	241006220340.0235
1995	289225013932.15454
1996	331503762974.58203
1997	353681663906.35065
1998	373290157031.5197
1999	397632616307.8083
2000	408706681881.514
2001	427536509135.3454
2002	427597511993.9222
2003	461630726159.80817
2004	542365907877.3292
2005	622596785414.4939
2006	732125067707.868
2007	915536045693.6208
2008	1116235276429.936
2009	1137011164785.0437
2010	1299485149200.5217
2011	1310920946681.6096
2012	1411588835619.9182
2013	1299118667707.0217
2014	1292773763122.213
2015	1197005837571.711
2016	1238822259879.8857
2017	1198932490548.041
2018	1098109612013.2402
2019	1122617155721.9023
2020	1061005272920.8363
2021	1200558422601.8513