Year Percent of GDP (Units) 2002 61.151 2003 59.718 2004 72.570 2005 67.274 2006 50.333 2007 119.243 2008 63.990 2009 78.090 2010 59.699 2011 52.981 2012 36.204 2013 24.538 2014 24.009 2015 22.176 2016 28.312 2017 26.058 2018 30.191 2019 29.897 2020 30.985 2021 10.578 2022 -13.612