Year	% of GDP
1995	29.593551266770255
1996	27.52011465456058
1997	28.132430382773148
1998	29.979929009092483
1999	32.13811179678432
2000	30.69166525915263
2001	29.01055687636972
2002	20.84718114838865
2003	16.317290795162343
2004	17.972327211575283
2005	19.764113985070434
2006	20.6758725086465
2007	20.997152506043918
2008	19.867365951332555
2009	21.08713785916172
2010	20.588723601512875
2011	19.498454232165848
2012	19.335141743878587
2013	19.651692987455803
2014	21.1675841729539
2015	22.830112430128104
2016	23.137538461538462
2017	23.24874651810585
2018	20.322704081632654
2019	22.86725888324873
2020	24.228494623655912
2021	23.523589743589742