Year	constant 2010 US$
2004	9437.34080796065
2005	10396.6965885347
2006	11284.470887001
2007	12449.2777809812
2008	12946.9361963799
2009	11761.7243293193
2010	11761.6252742633
2011	12525.7887833349
2012	13271.3600164687
2013	13934.6740817943
2014	14742.9697657393
2015	14749.4072994988
2016	15282.1998030959
2017	16143.9714043405
