Year Purchasing power parity; 2011 international dollar (Units) 1993 11673.41 1994 12328.35 1995 13224.87 1996 14113.51 1997 14821.26 1998 15390.93 1999 15343.03 2000 15513.56 2001 16087.28 2002 16814.37 2003 17738.90 2004 18682.22 2005 19940.45 2006 21625.01 2007 23959.25 2008 25294.52 2009 23894.80 2010 25062.21 2011 25758.98 2012 26128.33 2013 26485.92 2014 27188.63 2015 28295.53 2016 29153.47 2017 30032.71 2018 31226.78 2019 32333.10 2020 33404.03 2021 34440.72 2022 35475.18 2023 36505.30 2024 37364.47