Year	% of GDP
2000	25.27956528693195
2001	25.311545893841654
2002	25.135408678045962
2003	24.836872645288082
2004	24.01199788258278
2005	24.26990116575579
2006	23.829185395324444
2007	23.15091159963745
2008	23.268667677755193
2009	21.738614391419723
2010	21.91920171638268
2011	21.70432695214607
2012	21.328571208506936
2013	20.434498766280694
2014	20.575083990272216
2015	19.928022373976855
2016	19.590303199645682
2017	19.50020205604885
2018	19.098247167023843
2019	18.516454400011405
2020	17.658179047866053
2021	17.640084696104452
2022	17.229379413152376
2023	16.21797581767338
