Year	constant 2015 US$
1990	7293742777.22762
1991	6843662857.597347
1992	6394362794.221706
1993	5916750488.026598
1994	5812724181.9160385
1995	5747928135.676008
1996	5816047055.533443
1997	5899797047.66049
1998	6099135593.6212435
1999	6363778789.484816
2000	6653275727.541153
2001	6449202687.0407915
2002	6545532200.798304
2003	6691013307.973928
2004	7003757263.772198
2005	7334620965.184692
2006	7711402289.669455
2007	8210598903.42197
2008	8659882989.55735
2009	8628827362.559742
2010	8918648175.61246
2011	9127334379.694395
2012	9085697011.491629
2013	9351477059.693975
2014	9690853712.458035
2015	10064519962.565548
2016	10351178142.853577
2017	10463154366.07849
2018	10764555646.47258
2019	11185494933.69437
2020	10661068595.405514
2021	11141955229.99405
2022	11389496636.613573
2023	11506514048.907011