Year Purchasing power parity; 2011 international dollar (Units) 1980 3158.25 1981 3260.42 1982 3066.99 1983 2939.65 1984 2802.94 1985 2754.22 1986 2719.39 1987 2679.66 1988 2842.32 1989 2656.89 1990 2561.00 1991 2468.34 1992 2446.07 1993 2375.30 1994 1998.32 1995 2003.79 1996 2072.85 1997 2094.16 1998 2029.95 1999 2067.68 2000 2092.25 2001 2147.49 2002 2188.05 2003 2281.44 2004 2379.41 2005 2484.20 2006 2607.37 2007 2745.98 2008 2874.60 2009 3048.31 2010 3263.42 2011 3342.46 2012 3488.66 2013 3554.76 2014 3609.30 2015 3602.19 2016 3624.62 2017 3634.45 2018 3647.59 2019 3647.76 2020 3640.66 2021 3633.98 2022 3622.95 2023 3608.62 2024 3591.13