Year	constant 2015 US$
1995	14859.569738460556
1996	15306.64309381143
1997	16255.288099749056
1998	17340.412818148456
1999	17021.95690499697
2000	18305.81284677676
2001	19352.83090178777
2002	20672.06057635992
2003	21593.406163317613
2004	22827.301061764007
2005	23983.8071550756
2006	25478.110117039592
2007	27122.163487673137
2008	26885.08127926399
2009	24961.277041046353
2010	25916.352078078427
2011	26210.829332152764
2012	27198.06032006051
2013	27803.252956222852
2014	27904.638913151844
2015	28299.755354582463
2016	28307.121146172354
2017	29404.311476816063
2018	30340.59576512737
2019	31226.20461628304
2020	30867.78677192261
2021	32933.90526010054
2022	32659.265548387786