Year Purchasing power parity; international dollars (Billions) 1991 1.654 1992 1.702 1993 1.624 1994 1.636 1995 1.613 1996 1.581 1997 1.589 1998 1.608 1999 1.679 2000 1.729 2001 1.799 2002 1.887 2003 1.985 2004 2.095 2005 2.228 2006 2.408 2007 2.597 2008 2.801 2009 2.863 2010 3.018 2011 3.305 2012 3.439 2013 3.628 2014 3.865 2015 4.171 2016 4.362 2017 4.631 2018 4.963 2019 5.326 2020 5.468 2021 5.977 2022 6.646 2023 7.369 2024 8.038 2025 8.672 2026 9.322 2027 10.020 2028 10.771 2029 11.581