Year constant 2011 PPP $ 1991 6798.9091796875 1992 7170.615234375 1993 7175.38916015625 1994 6560.46923828125 1995 6599.490234375 1996 6316.9267578125 1997 6372.89892578125 1998 6249.44580078125 1999 6182.44580078125 2000 6652.0908203125 2001 6603.59814453125 2002 6558.05908203125 2003 6489.1591796875 2004 6401.9638671875 2005 6373.35888671875 2006 6325.9169921875 2007 6159.68798828125 2008 5979.43310546875 2009 5928.97119140625 2010 5869.21484375 2011 5839.1328125 2012 5826.30419921875 2013 5841.755859375 2014 5771.77783203125 2015 5642.3671875 2016 5588.6171875 2017 5549.365234375 2018 5608.47021484375 2019 5668.2880859375