Year Purchasing power parity; international dollars (Billions) 1992 16.050 1993 14.558 1994 15.196 1995 15.191 1996 15.869 1997 17.569 1998 18.893 1999 19.688 2000 21.277 2001 23.131 2002 25.156 2003 27.813 2004 30.927 2005 35.317 2006 40.764 2007 46.031 2008 45.393 2009 39.160 2010 37.870 2011 39.646 2012 43.312 2013 45.564 2014 47.483 2015 49.398 2016 52.357 2017 55.718 2018 59.268 2019 60.617 2020 59.260 2021 66.149 2022 72.898 2023 75.325 2024 78.421 2025 81.747 2026 85.357 2027 89.133 2028 93.079 2029 97.223