Year Purchasing power parity; international dollars (Billions) 1992 5.606 1993 4.932 1994 5.309 1995 5.856 1996 6.272 1997 6.596 1998 7.088 1999 7.417 2000 8.028 2001 8.986 2002 10.477 2003 12.186 2004 13.824 2005 16.269 2006 18.985 2007 22.180 2008 24.178 2009 20.885 2010 21.604 2011 23.086 2012 27.009 2013 28.500 2014 29.231 2015 29.167 2016 31.429 2017 35.677 2018 38.401 2019 42.025 2020 39.535 2021 43.698 2022 52.670 2023 59.347 2024 64.432 2025 69.011 2026 73.475 2027 78.232 2028 83.298 2029 88.709