Year	% of GDP
1980	8.836452037379843
1981	8.835326311054466
1982	8.836370853041378
1983	8.835935360175293
1984	8.835993259318002
1985	8.836740928480104
1986	8.835727657285881
1987	8.835939194384746
1988	8.835772541485374
1989	8.836624347075725
1990	8.836453791570488
1991	8.836287956671097
1992	8.836502403647598
1993	8.8359144715295
1994	8.836054472951622
1995	8.836404834849532
1996	8.836459361632116
1997	8.836305512896857
1998	8.836263487973033
1999	8.835953071208552
2000	8.836314058865987
2001	8.836260797629812
2002	8.836176750608015
2003	8.836129878538426
2004	8.83602717918231
2005	8.836281080913833
2006	8.836179332673144
2007	8.975341966970909
2008	8.221347228752023
2009	9.311938671977755
2010	9.638904634853553
2011	9.95641544707353
2012	8.945869238837586
2013	9.048387213799074
2014	9.676472177264966
2015	10.136198306976137
2016	10.672895576896163
2017	11.901316448466275
2018	12.909022989085988
2019	12.773460632522607
2020	5.671752108405192
2021	10.807321615385186
2022	12.71607965454486
2023	12.955861475022006