Year	constant 2010 US$
1993	2211.01061036503
1994	2348.89163099256
1995	2475.15143363712
1996	2505.10395390612
1997	2506.32508244408
1998	2582.51806964553
1999	2717.76079094586
2000	2746.7356538486
2001	2706.35155173559
2002	2694.18481991364
2003	2687.73000886347
2004	2815.70182568663
2005	2960.02882167625
2006	3124.16507499979
2007	3017.73414319022
2008	3330.90361993731
2009	3417.55103402146
2010	3458.0332561669
2011	3521.8482895894
2012	3549.97104605767
2013	3717.18435373701
2014	3926.79243378341
2015	4203.24097377175
2016	4410.78210205162
2017	4437.22361547023