Year	% of GDP
1995	28.371309540620228
1996	23.672783877832586
1997	29.40122631273498
1998	30.207913451631217
1999	23.96126332766143
2000	24.50254869703646
2001	21.24343707600192
2002	24.79843595397701
2003	26.70914949853362
2004	28.782467532467532
2005	31.689153298629552
2006	33.30853108102069
2007	34.24780086093955
2008	34.3609548329678
2009	32.61486720385304
2010	26.331614748752173
2011	25.606135006363733
2012	26.127087554309806
2013	25.09769892107176
2014	26.249986488765813
2015	26.19323037446591
2016	25.714415590770557
2017	27.5460176684531
2018	28.213296705837116
2019	27.644206168576353
2020	28.730607144957993
2021	28.63065619889974
2022	29.34390937280676