Year Purchasing power parity; 2017 international dollar (Units) 1990 3021.402 1991 3090.909 1992 3219.560 1993 3223.994 1994 3314.046 1995 3376.303 1996 3417.938 1997 3492.244 1998 3595.605 1999 3626.891 2000 3743.592 2001 3779.930 2002 3824.577 2003 3864.261 2004 3912.509 2005 4022.501 2006 4030.834 2007 4040.266 2008 4063.637 2009 4096.953 2010 4284.614 2011 3632.281 2012 3612.520 2013 3679.406 2014 3569.535 2015 2499.784 2016 2206.237 2017 2040.665 2018 2004.593 2019 1997.340 2020 1784.012 2021 1727.547 2022 1717.606 2023 1646.271 2024 1594.345 2025 1582.714 2026 1657.252 2027 1727.764 2028 1793.654 2029 1853.931