Year Purchasing power parity; international dollars (Billions) 1998 79.249 1999 100.264 2000 98.084 2001 93.704 2002 87.741 2003 162.650 2004 256.191 2005 268.651 2006 292.550 2007 306.151 2008 337.724 2009 351.290 2010 378.324 2011 415.269 2012 483.559 2013 515.106 2014 490.962 2015 369.519 2016 347.143 2017 405.430 2018 434.222 2019 465.209 2020 414.531 2021 440.388 2022 504.312 2023 511.320 2024 530.861 2025 568.924 2026 601.473 2027 634.595 2028 669.582 2029 706.647