Year	% of GDP
1990	9.767358619799953
1991	8.905155244748407
1992	9.753700886252512
1993	6.55007578773669
1994	5.8984195225778
1995	7.18366897108368
1998	9.694599136149227
1999	9.707018079175691
2012	11.344405604925747
2013	11.522116976453157
2014	12.285343811225955
2015	12.110969591461267
2016	11.65203138787476
2017	11.8759411884958
2018	12.346945709100648
2019	12.028272760243201
2020	10.870582808804157
2021	11.346157737806474