Year	current US$
1991	624932748.4211767
1992	644418584.884551
1993	626332236.2742535
1994	673973038.8191441
1995	794950014.2346128
1996	804155222.7077419
1997	726346288.8564181
1998	830820724.8718566
1999	851153236.214048
2000	700466486.1903044
2005	1812688670.5670543
2006	1866020749.7349107
2007	2122849770.9187808
2008	2328476064.032919
2009	2183885154.4117165
2010	2034895547.3907573
2011	2100255930.4170866
2012	1879944308.1706433
2013	1950023027.767511
2014	1930924398.1600308
2015	1655756813.4120448
2016	1713834123.4379838
2017	1823245177.0457735
2018	1885007328.582783
2019	1845810748.0463216
2020	1886150828.194981
2021	2024182678.501811
2022	1842706908.4245255