Year	constant 2015 US$
2000	312456989.8844883
2001	350251885.71380407
2002	395695357.65702605
2003	417963801.53555405
2004	481156975.5104209
2005	530836857.03622997
2006	602745491.2761289
2007	685335324.096331
2008	748148737.9701798
2009	791378849.3732238
2010	820712416.2721045
2011	906009701.0701318
2012	995950583.4004654
2013	1031001088.1770742
2014	1131533543.7378905
2015	1181528062.1789453
2016	1218752241.6703827
2017	1272686545.532064
2018	1352025672.6233027
2019	1443048301.3067446
2020	1523776522.9682107
2021	1666915644.3620074
2022	1751806236.9575908
2023	1832974122.7362463