Year Percent of GDP 2000-01-01 45.2912 2001-01-01 51.1913 2002-01-01 63.1249 2003-01-01 69.6276 2004-01-01 67.5402 2005-01-01 67.5858 2006-01-01 67.8722 2007-01-01 61.3323 2008-01-01 52.8435 2009-01-01 55.8705 2010-01-01 57.0941 2011-01-01 61.2791 2012-01-01 63.4520 2013-01-01 73.7327 2014-01-01 77.0535 2015-01-01 78.8388 2016-01-01 88.1884 2017-01-01 94.0049 2018-01-01 79.8159 2019-01-01 77.5268