Year Purchasing power parity; 2011 international dollar (Units) 1980 2371.34 1981 2379.76 1982 2412.35 1983 2369.91 1984 2328.38 1985 2343.26 1986 2424.14 1987 2480.37 1988 2544.61 1989 2572.71 1990 2601.57 1991 2560.16 1992 2459.25 1993 2385.86 1994 2375.49 1995 2405.67 1996 2432.99 1997 2372.33 1998 2372.42 1999 2354.47 2000 2299.06 2001 2326.22 2002 2274.52 2003 2278.59 2004 2320.05 2005 2385.51 2006 2457.22 2007 2554.91 2008 2491.94 2009 2505.07 2010 2659.13 2011 2750.21 2012 2790.93 2013 2877.23 2014 2946.77 2015 3030.70 2016 3120.25 2017 3182.87 2018 3280.85 2019 3378.74 2020 3483.49 2021 3601.24 2022 3727.64 2023 3848.39 2024 3972.30