Year	constant 2010 US$
1995	12196.2347596973
1996	12782.6055987221
1997	12986.4854039108
1998	14227.0594839062
1999	14897.5255396218
2000	14283.6534960658
2001	16736.8913410425
2002	14182.1773286483
2003	16384.4015684422
2004	25276.2174411526
2005	25697.9142334166
2006	24423.0955559217
2007	20005.8277715106
2008	33455.1046566136
2009	28441.4904281547
2010	22546.6364345636
2011	24051.4638292769
2012	18094.9901049372
2013	21567.0816451953
2014	24494.07996426
2015	21940.7685661017
2016	23362.2332527572
2017	21135.7954669595
2018	22465.2545572192