Year	% of GDP
1998	27.61624745718767
1999	31.07856604497985
2000	32.69302354634933
2001	31.73420721740135
2002	30.522482331337976
2003	27.26441495841801
2004	26.131797454717752
2005	23.93573131798434
2006	20.82323786794913
2007	17.6895186651757
2008	14.768879684172113
2009	30.743690331436408
2010	41.22611774137343
2011	41.05385582757675
2012	47.198608399486105
2013	44.83591551613076
2014	48.332010298920125
2015	49.64569145286828
2016	47.731665903057205
2017	44.95010762177208
2018	38.50309344833309
2019	42.11434591606555
2020	52.86411299445722
2021	48.21050393916354
2022	36.04848511126839