Year US Dollars adjusted for inflation) 1991 88882.281 1992 90487.648 1993 92778.797 1994 97477.867 1995 97818.695 1996 100260.789 1997 101203.727 1998 103399.172 1999 105261.289 2000 109008.672 2001 109918.695 2002 109228.883 2003 111753.742 2004 113341.344 2005 115365.203 2006 117386.062 2007 118313.461 2008 116082.758 2009 113828.773 2010 118606.477 2011 120292.969 2012 121045.016 2013 122124.016 2014 123151.688 2015 123868.219 2016 122071.789 2017 124109.055 2018 125900.023 2019 128195.469 2020 130515.812 2021 132814.609 2022 134953.875