Year Purchasing power parity; international dollars (Billions) 1980 0.273 1981 0.322 1982 0.368 1983 0.399 1984 0.485 1985 0.569 1986 0.631 1987 0.704 1988 0.792 1989 0.900 1990 0.896 1991 0.990 1992 1.078 1993 1.163 1994 1.277 1995 1.400 1996 1.555 1997 1.782 1998 1.978 1999 2.151 2000 2.304 2001 2.390 2002 2.575 2003 2.998 2004 3.264 2005 2.988 2006 3.808 2007 4.190 2008 4.654 2009 4.300 2010 4.650 2011 5.153 2012 5.438 2013 6.140 2014 6.957 2015 7.628 2016 8.279 2017 8.964 2018 9.964 2019 10.871 2020 7.390 2021 10.641 2022 12.974 2023 14.042 2024 15.124 2025 16.392 2026 17.536 2027 18.725 2028 19.937 2029 21.232