Year	Percent of GDP
2004-01-01	104.7264
2005-01-01	105.5320
2006-01-01	106.2313
2007-01-01	106.0165
2008-01-01	111.7979
2009-01-01	122.2121
2010-01-01	122.3008
2011-01-01	128.1155
2012-01-01	130.2975
2013-01-01	133.3072
2014-01-01	134.1127
2015-01-01	134.8281
2016-01-01	137.5435
2017-01-01	145.5759