Year	% of GDP
1990	27.501612937531462
1991	25.557193488693038
1992	27.845540072474538
1993	23.684799219864875
1994	19.916743917583474
1995	16.765795854874867
1996	14.937107893936668
2006	27.52644024040689
2007	26.61745627310837
2008	27.92089987531793
2009	27.68681402198182
2010	23.88336420569488
2011	24.04532616070644
2012	28.036577661604138
2013	26.74039063035939
2014	27.09282996604173
2015	26.311098851249838
2016	21.6300553227647
2017	23.933496314196347
2018	21.740494569156965
2019	21.098550997951275
2020	22.274646223455296
2021	22.229514020770864
2022	19.64874799699956