Year	constant 2015 US$
1991	1053.4216053672756
1992	1057.5958575509835
1993	1069.049821807942
1994	1055.5610925383373
1995	1043.3250290334151
1996	1071.8873683496215
1997	1084.4116395940719
1998	1101.0785980922328
1999	1106.3787811955917
2000	1078.6155307017114
2001	1118.5454214946028
2002	1273.9276687502595
2003	1267.8463608710056
2004	1287.0386347328251
2005	1364.8648881914603
2006	1463.297304733869
2007	1458.4885337484027
2008	1486.696181050609
2009	1538.1514079675367
2010	1584.7188010452198
2011	1624.3923500793665
2012	1672.7421978166403
2013	1723.1329336098643
2014	1741.4413642582542
2015	1718.1492829500644
2016	1759.6113424639193
2017	1773.1721228150884
2018	1797.1956289695943
2019	1775.6970231308258
2020	1802.4638879836998
2021	1782.2156637469818
2022	1677.1869798581647