Year Purchasing power parity; international dollars (Billions) 2001 15.716 2002 17.383 2003 19.789 2004 25.733 2005 28.683 2006 33.527 2007 39.420 2008 41.542 2009 42.331 2010 53.610 2011 66.543 2012 75.588 2013 88.663 2014 90.217 2015 70.023 2016 70.409 2017 78.446 2018 85.382 2019 84.590 2020 39.137 2021 50.565 2022 42.542 2023 79.602 2024 92.885 2025 103.637 2026 110.228 2027 115.727 2028 121.481 2029 127.519