Year Purchasing power parity; 2017 international dollar (Units) 1980 2894.738 1981 2988.109 1982 3023.428 1983 2895.871 1984 2610.915 1985 2523.973 1986 2699.114 1987 2795.260 1988 2859.875 1989 2828.652 1990 2680.659 1991 2784.611 1992 2853.936 1993 2847.994 1994 2864.573 1995 3229.957 1996 3329.052 1997 3458.159 1998 3667.802 1999 3747.684 2000 3970.494 2001 4291.589 2002 4435.335 2003 4587.989 2004 4701.391 2005 4850.667 2006 5036.534 2007 5190.424 2008 5253.495 2009 4978.649 2010 5039.705 2011 5993.742 2012 4634.770 2013 4580.577 2014 4649.379 2015 4732.070 2016 4808.909 2017 4705.146 2018 4465.804 2019 4229.534 2020 3972.719 2021 3891.406 2022 3697.974 2023 2944.683 2024 2749.490 2025 2824.525 2026 2956.666 2027 3083.463 2028 3155.591 2029 3214.028