Year	constant 2015 US$
1991	1074.0424116162853
1992	1128.3472682933939
1993	1164.3360507117554
1994	1221.125835190194
1995	1301.5187712619481
1996	1382.9773492544628
1997	1423.079376898871
1998	1432.2313988255557
1999	1448.473044675766
2000	1437.235162292723
2001	1477.3650407298917
2002	1510.3149471170045
2003	1567.372934866267
2004	1705.9741687629853
2005	1834.5809074467613
2006	1993.095839439007
2007	2124.7244889002927
2008	2273.2654983675347
2009	2418.100371378756
2010	2575.841133204533
2011	2764.0772715196827
2012	2948.432137872654
2013	3221.423359789167
2014	3509.928262953349
2015	3762.0099629546094
2016	3991.510829665445
2017	4253.999170071254
2018	4534.144916381375
2019	4838.8429042485095
2020	5206.39114425731
2021	5549.814747323453
2022	5753.167301021401
