Year	% of GDP
1993	20.58999349223498
1994	23.26561621596087
1995	24.57145173498535
1996	22.6162441541643
1997	20.40626704296215
1998	20.697603790738466
1999	21.926552259597564
2000	19.56198063887343
2001	18.629785966046708
2002	18.176560674355517
2003	17.846877542333825
2004	17.374606224377928
2005	16.85538649789699
2006	15.83499214750168
2007	15.899962771320919
2008	18.437418462222798
2009	20.534280847469716
2010	19.562532057472225
2011	18.365857069052606
2012	18.195154660890893
2013	18.644790189555334
2014	18.73089419482801
2015	19.576884938570707
2016	19.72445628108632
2017	19.25710049680254
2018	19.1291737338201
2019	19.437645547019233
2020	20.829670218898787
2021	19.99832140726131
2022	19.52255384091017
2023	20.920432239434124
