Year	% of GDP
1997	30.089473091530767
1998	22.853735247055766
1999	18.439769620324522
2000	19.391325715689888
2001	27.10117150224352
2002	28.034079622023572
2003	32.22168833807395
2004	34.80578256259685
2005	31.716228946079355
2006	30.957604533039206
2007	34.74326356864136
2008	38.57946923001914
2009	34.01051126467324
2010	24.98046520713088
2011	25.974078631959017
2012	24.960589276441926
2013	23.73697390919535
2014	20.31463111508536
2015	16.9842173105687
2016	16.859231330291713
2017	27.036593864688623
2018	44.36450798306506
2019	44.220324226212284
2020	37.660874310965085
2021	40.1715680072354
2022	43.90058479678131
2023	45.47862236871025