Year Purchasing power parity; 2017 international dollar (Units) 1997 3044.438 1998 2978.915 1999 2891.337 2000 2940.073 2001 3186.441 2002 3357.543 2003 3287.388 2004 3234.015 2005 3244.714 2006 3232.760 2007 3321.937 2008 3028.189 2009 3151.317 2010 3281.858 2011 3265.468 2012 3258.323 2013 3423.585 2014 3442.517 2015 3587.516 2016 3753.387 2017 4034.922 2018 4415.541 2019 5005.164 2020 4885.059 2021 4900.194 2022 4828.465 2023 4933.848 2024 5041.531 2025 5101.549 2026 5149.629 2027 5185.391 2028 5221.400 2029 5257.660