Year	constant 2015 US$
1991	1871.919123312312
1992	1941.5336243110228
1993	1939.4435832129604
1994	2085.7535570948407
1995	1800.9993538965907
1996	1801.3945445814488
1997	1877.5483478706676
1998	1907.0944863909538
1999	1916.0585567076785
2000	1951.9309797464357
2001	2046.2148629050048
2002	2049.9437439381354
2003	2066.508049341928
2004	2131.466226363723
2005	2217.0032392087514
2006	2380.8742555988697
2007	2461.4169025161673
2008	2575.4516057274327
2009	2654.353487072011
2010	2805.7169485799236
2011	2889.576777278488
2012	3094.665496559142
2013	3090.189218967786
2014	3260.5900875950974
2015	3327.5124497865695
2016	3278.7093018482747
2017	3200.026959292122
2018	3155.5754848213774
2019	3105.0535827453064
2020	2996.8562055395428
2021	2959.3622436141463
2022	2887.4618540365495
