Year	% of GDP
1990	11.849265214859622
1991	6.807157616718143
1992	5.669464859206646
1993	4.778071513244132
1994	3.780583746438484
1995	8.443816907604793
1996	17.464153723975855
1997	17.089045919528793
1998	19.018769906937646
1999	16.01188460529662
2000	13.306724333758993
2001	13.139285211356588
2002	12.100887536627926
2003	10.782394415189614
2004	9.248866566874801
2005	7.665743571295973
2006	6.72816636330819
2007	6.10386942458968
2008	5.241453523815482
2009	4.615945713726139
2010	4.937432836020932
2011	4.289867608538351
2012	9.46574563057419
2013	8.270396372393702
2014	7.750658447633728
2015	7.89383968135786
2016	12.039737647786751
2017	14.047208947278833
2018	17.451429982428508
2019	17.227020869674497
2020	18.647984229730604
2021	19.581041538974052
2022	16.01172676120156
2023	20.520850562658026