Year	% of GDP
1989	12.367753059967885
1990	12.751617282827542
1991	11.572362800026157
1992	11.096262742881551
1993	12.487854048186303
1994	12.9409453190044
1995	14.901557346422086
1996	14.447638345882533
1997	14.470565899224678
1998	14.63394175244572
1999	14.121875496447922
2000	13.5992395289751
2001	13.730319385951391
2002	13.721691117466198
2003	13.874429242962396
2004	13.513362325061017
2005	13.776932449437801
2006	13.90204368160141
2007	14.221789116865954
2008	14.488507517694746
2009	15.816321452170131
2010	15.338311965439102
2011	15.378487664350596
2012	15.299181217516225
2013	15.567934119366347
2014	15.829028227461572
2015	16.135785903416668
2016	16.313155449793463
2017	16.306549715782364
2018	15.832662018974228
2019	15.908501063285815
2020	16.739858945842627
2021	15.490890039714822
2022	15.101571868168884
2023	15.107488197341937