Year Purchasing power parity; international dollars (Billions) 1980 0.724 1981 0.717 1982 0.919 1983 1.085 1984 1.038 1985 1.110 1986 1.159 1987 1.221 1988 1.286 1989 1.394 1990 1.529 1991 1.614 1992 1.680 1993 1.786 1994 1.762 1995 1.859 1996 1.948 1997 2.010 1998 2.164 1999 2.335 2000 2.520 2001 2.725 2002 2.678 2003 2.918 2004 3.208 2005 3.231 2006 3.312 2007 3.505 2008 3.796 2009 4.074 2010 4.367 2011 4.095 2012 4.191 2013 4.166 2014 4.103 2015 4.311 2016 4.446 2017 4.589 2018 5.033 2019 5.436 2020 5.541 2021 6.099 2022 6.849 2023 7.493 2024 8.151 2025 8.775 2026 9.389 2027 10.047 2028 10.750 2029 11.505