Year	constant 2015 US$
2002	2255448287.9080443
2003	2376152449.337307
2004	2770014021.5121903
2005	2939685554.467818
2006	3132185860.5824203
2007	3195348152.345236
2008	3384340361.248127
2009	3614475505.8129997
2010	3959885969.0272727
2011	4319606313.027459
2012	4732553419.199573
2013	5098198133.250199
2014	4592590176.757915
2015	5144852547.397419
2016	5743584195.620066
2017	5811344178.0719795
2018	5844576191.323669
2019	5548913098.493871
2020	5700632512.754372
2021	5747268413.245183
2022	5889101534.984011
2023	5972227852.254255