Year	% of GDP
1999	60.176555085289216
2000	50.293145991669064
2001	53.63314179280421
2002	53.67576275521787
2003	50.838984523859764
2004	46.43585374265163
2005	40.29210530699414
2006	34.758638852615526
2007	37.285138574586234
2008	34.98792929831012
2009	44.32827403195122
2010	36.5889242269663
2011	27.87334777647084
2012	27.770365503939274
2013	30.920284043607495
2014	32.90806463359986
2015	41.14024635468253
2016	43.56572263728695
2017	38.80579619213385
2018	34.4004169926717
2019	34.93791554098227
2020	38.81745226971132
2021	35.08552622662589
2022	30.422049258514573
2023	35.793232556139984