Year	% of GDP
1990	118.09999979747391
1998	120.31261617572255
1999	119.52623058756193
2000	114.80496126475424
2001	120.76676142072327
2002	120.0209166371145
2003	120.66348925158181
2004	114.59396279044194
2005	118.97593528972683
2006	120.23425758987365
2007	117.40493912818273
2008	130.8090087975824
2009	125.27584377916384
2010	127.76953256148617
2011	126.66287291883822
2012	128.23631828041366
2013	127.4261487725084
2014	121.7854357600088
2015	123.90846351755971
2016	119.4986433729406
2017	116.91258643480487