Year	% of GDP
1990	6.996692968206081
1991	6.620301936171759
1992	6.483344072333716
1993	6.654637356132103
1994	7.729134047934481
1995	8.98551385878864
1996	8.719914186884575
1997	8.723659866031163
1998	8.63933254666024
1999	8.422505233367247
2000	8.73598111139219
2001	8.802574747383387
2002	8.560583140890165
2003	8.651811852565157
2004	8.974958500155566
2005	9.17945342137588
2006	8.779758410234772
2007	9.772473403707199
2008	10.440086408764458
2009	11.844036864345037
2010	13.396115441818818
2011	11.624677745204613
2012	12.040804546653975
2013	13.297885857998038
2014	13.99491048585923
2015	14.686304568074588
2016	16.143749756907003
2017	17.99936212058532
2018	19.08282605839351
2019	19.809060239194327
2020	15.773649731782394
2021	17.485303278777245