Year	% of GDP
1992	15.449775514512353
1993	19.939176731003858
1994	16.050374646623343
1995	16.078912669897207
1996	16.237202269219463
1997	17.2957944706407
1998	18.084930727399307
1999	18.191131780879548
2000	24.356934912673875
2001	25.421837164572946
2002	24.759042150893276
2003	30.240045084675515
2006	37.686472304085136
2007	37.583292662292145
2008	30.81597363459857
2009	26.83117813327155
2010	29.028015571508583
2011	28.593024040559662
2012	25.61741612777846
2013	27.68712745681434
2014	25.15519106228197
2015	22.81501596062586
2016	21.14569212376024
2017	24.821424702232598
2018	28.506963137543462
2019	30.712368990375854
2020	29.22806774377673
2021	28.990216650732197