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