Year Purchasing power parity; 2017 international dollar (Units) 2002 3631.772 2003 3503.501 2004 3393.536 2005 3224.764 2006 3225.080 2007 3403.837 2008 3581.543 2009 3337.179 2010 3213.321 2011 3410.929 2012 3228.303 2013 3360.174 2014 3402.929 2015 3707.626 2016 3868.497 2017 4083.308 2018 4123.871 2019 4675.636 2020 4458.373 2021 4521.173 2022 4534.113 2023 4690.510 2024 4836.465 2025 4937.437 2026 5027.592 2027 5111.030 2028 5194.859 2029 5274.789