Year	constant 2011 PPP $
1991	13790.1884765625
1992	14488.0791015625
1993	15491.4599609375
1994	16479.591796875
1995	17423.251953125
1996	17969.73046875
1997	17079.7734375
1998	16026.998046875
1999	16588.041015625
2000	16862.01171875
2001	17131.80078125
2002	17813.458984375
2003	18817.880859375
2004	19707.6640625
2005	20230.08203125
2006	21113.169921875
2007	21911.04296875
2008	22063.994140625
2009	21739.4140625
2010	23424.716796875
2011	22969.873046875
2012	24587.138671875
2013	25790.552734375
2014	26231.314453125
2015	27089.412109375
2016	28200.783203125
2017	29224.720703125
2018	30114.53515625
2019	31007.45703125