Year constant 2021 PPP $ 1991 32264.52311124312 1992 32311.315751851977 1993 32576.94223287699 1994 32247.384507450213 1995 33473.4416755053 1996 33819.5989665 1997 34867.43079847766 1998 36087.5952640898 1999 35929.616906593765 2000 38581.832999611805 2001 40032.905479913934 2002 41736.69284431924 2003 41344.5103302363 2004 40703.81900847973 2005 40900.37731074018 2006 41511.702372284264 2007 41744.15646640497 2008 43914.99627502039 2009 44904.91946646422 2010 44658.909573828474 2011 46519.731196321154 2012 47179.789585955965 2013 47491.1599533451 2014 48092.62733663052 2015 50355.18252879515 2016 51530.24415608148 2017 54145.80000629775 2018 56810.05263212411 2019 59034.250154525405 2020 60872.782404629004 2021 59386.105257142524 2022 60354.385364618276 2023 61008.590979038156