Year	% of GDP
1996	36.41086377217302
1997	31.543443879706874
1998	28.785650438614724
1999	25.91874551955166
2000	24.51541204192347
2001	22.716164195872206
2002	22.025114087935343
2003	21.978257084596112
2004	20.537486307980956
2005	18.84530872472372
2006	17.708353623952288
2007	17.153619573953318
2008	16.837053844075374
2009	16.794383601879826
2010	17.955866397234693
2011	18.226789602529248
2012	18.766801894642228
2013	19.565157812322923
2014	19.99018135819767
2015	19.780214417136637
2016	19.84999446511631
2017	19.02212664223511
2018	18.429495302363367
2019	18.389332335402774
2020	19.22522270572734
2021	18.35812524593278
2022	18.622821446926796
2023	18.266983862637947