Year	% of GDP
1995	34.32335365792551
1996	33.538395781058576
1997	30.554407109623995
1998	25.285198291318583
1999	23.476137042674203
2000	22.358370616126724
2001	22.03751420430194
2002	22.643334445843774
2003	22.19748084020003
2004	22.794194099509753
2005	24.73210737362105
2006	27.99915091181323
2007	31.874991973072024
2008	34.27781054541184
2009	36.32192867883181
2010	39.13552449274395
2011	42.822454049161585
2012	45.085900955202156
2013	46.83852133043086
2014	49.048440998697494
2015	48.6307051085788
2016	48.20330998525246
2017	48.25903194444709
2018	49.257438142083814
2019	51.132259957658015
2020	54.82347446769598
2021	51.52072794543936
2022	50.56908937880335
2023	50.85649909942114