Year	% of GDP
1991	33.93580468354322
1992	29.71481090727058
1993	33.09767075848569
1994	30.168358577001086
1995	31.346553924287356
1996	30.953811461577146
1997	30.181636938059487
1998	26.986403757736532
1999	22.798186555646534
2000	19.039174851409925
2001	18.225728623589273
2002	22.734177349083037
2003	22.72283054243766
2004	22.490128909236688
2005	22.92140598678234
2006	24.113391723813386
2007	24.01621736288768
2008	26.8457517275753
2009	27.910601722519125
2010	27.309377092239867
2011	26.484872998970793
2012	25.51770665472821
2013	24.252909083633554
2014	24.65546716078971
2015	23.566316494695773
2016	23.62728108876254
2017	26.0749604736416
2018	25.542559794562713
2019	24.769781813655932
2020	26.88197440877902
2021	26.894591350835157
2022	26.726292977372196