Year	current US$
1991	3973100296229.8105
1992	4421091187705.271
1993	4123636923524.213
1994	4362175501575.1797
1995	5042891701247.83
1996	5164487273112.797
1997	4748156645949.345
1998	4902925577924.851
1999	4901024518147.615
2000	4514923767053.484
2001	4622422720931.243
2002	5097833834926.032
2003	6302397110972.229
2004	7240785277097.301
2005	7569807138780.831
2006	8036734796127.171
2007	9305996459178.578
2008	10412226556402.375
2009	9716212020311.596
2010	9475866157141.445
2011	10220955907503.152
2012	9532817135073.451
2013	10009815882254.818
2014	10248135549074.656
2015	8824299458784.605
2016	9035935838145.02
2017	9592280426802.473
2018	10393999625151.69
2019	10228788280513.25
2020	10095092789742.418
2021	11249644379804.79
2022	10860480360436.549
2023	11920401637984.44
