Year Purchasing power parity; international dollars (Billions) 1980 6.186 1981 7.134 1982 7.513 1983 8.168 1984 8.330 1985 8.242 1986 8.323 1987 8.469 1988 7.680 1989 7.846 1990 8.129 1991 8.391 1992 8.617 1993 8.786 1994 9.422 1995 10.188 1996 11.033 1997 11.668 1998 12.238 1999 13.284 2000 14.142 2001 14.889 2002 15.234 2003 15.926 2004 17.230 2005 18.524 2006 19.822 2007 21.393 2008 22.554 2009 21.946 2010 23.192 2011 25.166 2012 26.490 2013 27.950 2014 30.356 2015 32.945 2016 35.895 2017 38.335 2018 37.894 2019 37.414 2020 37.239 2021 42.976 2022 47.727 2023 51.784 2024 54.890 2025 57.813 2026 60.964 2027 64.289 2028 67.797 2029 71.511