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