Year	constant 2015 US$
1997	218527492.81098664
1998	226770880.0722741
1999	242280374.03322837
2000	128973099.99735676
2001	149680212.9116653
2002	148763885.45716894
2003	185407539.96488637
2004	232577152.82541534
2005	270995601.6163041
2006	312004852.85310465
2007	402420919.0299553
2008	534075359.3870772
2009	492834045.59184384
2010	568457301.1848258
2011	598866758.9899112
2012	633319600.3874233
2013	710988190.4412091
2014	724036371.199984
2015	695991577.2109926
2016	696462502.0962989
2017	757900736.5184187
2018	808343250.027449
2019	875740629.1109977
2020	1043667413.2246495
2021	1074430402.2006438
2022	1137938163.5738676
2023	1199319620.478298