Year Purchasing power parity; international dollars (Billions) 1992 8.099 1993 7.371 1994 5.917 1995 5.286 1996 5.148 1997 5.326 1998 5.671 1999 5.964 2000 6.605 2001 7.443 2002 8.247 2003 9.267 2004 10.525 2005 11.583 2006 12.776 2007 14.145 2008 15.557 2009 16.263 2010 17.531 2011 19.216 2012 21.657 2013 24.570 2014 27.630 2015 25.288 2016 26.986 2017 28.887 2018 31.794 2019 34.720 2020 36.723 2021 42.017 2022 48.573 2023 54.497 2024 59.415 2025 63.184 2026 67.271 2027 71.626 2028 76.264 2029 81.219