Year	constant 2010 US$
1991	14346.8496882767
1992	14886.536191727
1993	15560.1065006418
1994	15485.4695672027
1995	16613.2936770115
1996	18048.5569193388
1997	18734.8303069811
1998	18702.3264550618
1999	18781.2695847851
2000	19397.3143872835
2001	20023.150588586
2002	20437.6487567118
2003	20674.5458492995
2004	21602.1743633127
2005	21974.2515797234
2006	22805.6373242266
2007	23537.1314831922
2008	23798.9524902258
2009	23565.3028975577
2010	23469.8265751614
2011	24209.9847121184
2012	25202.8285969181
2013	25500.632610854
2014	25661.9630178855
2015	25828.5852507212
2016	26103.7397325186
2017	25884.7222001828
2018	26422.9672101122