Year	constant 2015 US$
1995	1496.0012943869247
1996	1562.8207718165704
1997	1627.8455207191707
1998	1642.4668367040965
1999	1673.491217168858
2000	1762.5529802211427
2001	1790.209992910337
2002	1841.2305200973062
2003	1899.9862949735195
2004	1999.3022388111276
2005	2114.6553891579338
2006	2248.447397135308
2007	2416.0250600970485
2008	2528.0864466233984
2009	2584.3913873530696
2010	2774.9243074105784
2011	3000.867282758822
2012	3153.3408526621533
2013	3308.206036245362
2014	3439.890571870948
2015	3563.849447574627
2016	3697.0269332211374
2017	3889.517430929114
2018	4060.1639449455656
2019	4202.886034543069
2020	4024.3180014761265
2021	4406.289337515184
2022	4603.713170394562
