Year	constant 2010 US$
2000	4047.77044092724
2001	4221.71983936196
2002	4175.20232552276
2003	4650.56039803217
2004	4818.03020483265
2005	4822.5100397961
2006	4925.01547294422
2007	5706.20515852124
2008	5821.7230124073
2009	6261.45274708216
2010	6157.10255962151
2011	5699.82396862574
2012	5565.20251602762
2013	5328.0418219662
2014	5259.3173749764
2015	5106.95604098711
2016	5914.032574456
2017	5728.87517030356
2018	5595.77648626647