Year	constant 2015 US$
1997	1274804358.1138067
1998	1384989699.817752
1999	1350046265.7117734
2000	1334355382.2419398
2001	1344709670.5840638
2002	1455380587.4283102
2003	1407968332.6132216
2004	1464287065.9177506
2005	1649874177.1900012
2006	1821922387.791085
2007	1795250719.9382646
2008	1857485959.989635
2009	1863308064.8519394
2010	1858570043.7213862
2011	2004604025.6030374
2012	2083860786.239022
2013	2303309387.0901685
2014	2390154764.361005
2015	2340974554.6183486
2016	2301366844.542952
2017	2304999096.4001765
2018	2385674064.8398905
2019	2459629960.8967533
2020	2467996146.254427
2021	2542993502.367364
2022	2604299989.6883044
2023	2675773440.372622