Year	constant 2011 PPP $
1991	30595.951171875
1992	33582.6171875
1993	36128.2890625
1994	38007.10546875
1995	39522.05078125
1996	39947.4609375
1997	41017.08203125
1998	40721.359375
1999	39477.90234375
2000	39037.015625
2001	37930.2421875
2002	34639.7421875
2003	35086.578125
2004	36672.17578125
2005	38671.69921875
2006	40406.6953125
2007	43211.17578125
2008	44585.90234375
2009	41502.3515625
2010	45130.23046875
2011	46783.81640625
2012	45869.00390625
2013	46581.38671875
2014	45360.98828125
2015	46003.43359375
2016	44633.890625
2017	45356.50390625
2018	46753.1015625
2019	48109.37109375