Year	constant 2015 US$
1991	1356.2439842789272
1992	1414.8517774080742
1993	1458.1849317301067
1994	1526.7279732918087
1995	1618.2384444231318
1996	1715.3506333236153
1997	1739.038475960141
1998	1766.149964970108
1999	1788.2734256513634
2000	1816.2655076667545
2001	1854.9761546268528
2002	1907.6750845679107
2003	1967.5704647476653
2004	2127.5192889417767
2005	2291.1987083989616
2006	2483.3305365455512
2007	2630.664519032665
2008	2785.8202043066494
2009	2937.7312702256004
2010	3175.4082208778323
2011	3417.9271072097454
2012	3606.604010268386
2013	3976.926461654579
2014	4342.897864133124
2015	4625.2452858082015
2016	4841.088790721987
2017	5133.204167653264
2018	5416.404183883515
2019	5763.95267996241
2020	6160.670632385454
2021	6414.743974887533
2022	6715.721946093692
