Year	% of GDP
1990	45.741452331628466
1991	40.275629566384204
1992	42.70935742608736
1993	37.49759685216441
1994	36.570590160580416
1995	30.80432488233038
1996	23.923142209070015
1997	72.48531852531114
1998	55.20408766486338
1999	45.20796710761062
2002	32.22412653099894
2003	29.71739624664283
2008	34.22502821067297
2009	29.997306381339623
2010	26.166159278001178
2011	24.86514466925937
2012	25.034400843250832
2013	27.781927217866414
2014	27.421612199406354
2015	30.30912613780404
2016	31.366190714778025
2017	32.4290671189749
2018	33.139419242528284
2019	33.729155622638125
2020	42.90179664861255
2021	44.40381707194005
2022	45.336556933899566