Year	% of GDP
1990	52.62058095459117
1991	64.91143044078804
1992	61.656922988270914
1993	63.681538233854354
1994	66.54121000441607
1995	66.1836432074826
1996	65.19788038390924
1997	59.88242969131555
1998	66.35144343432665
1999	64.06810978961279
2000	64.5733198414706
2001	58.98914158771409
2002	63.93546098210224
2003	62.58819537981151
2004	59.41566728582634
2005	51.76462304805467
2006	49.68696803468667
2007	42.978661137880295
2008	43.79998724955803
2010	33.86252123201881
2019	31.777147347289507
2020	39.048563128449324
2021	39.922268642228865