Year	% of GDP
1980	32.05434374085936
1981	32.834020271030916
1982	36.63361390536839
1983	40.622876870944864
1984	40.358879926631715
2006	53.46352793056416
2007	52.8099940272787
2008	48.30707643292336
2009	55.59649706600872
2010	53.68171291627492
2011	49.340942698706094
2012	51.18788348466581
2013	50.8394878886851
2014	52.474394166537884
2015	58.45332777365739
2016	59.484085914209494
2017	57.435569013063
2018	55.759873990699305
2019	54.798508393722166
2020	56.94294942946464
2021	52.00770822079345
2022	47.92627330100695
2023	51.07540252187124