Year	% of GDP
1989	14.170540336050607
1990	14.986795389071975
1991	16.303430761288602
1992	16.51721347561167
1993	15.60570510011106
1994	15.213586293969017
1995	15.091000787622633
1996	15.205428362466183
1997	16.370448783024223
1998	13.69420213336319
1999	14.459897571990865
2000	13.362280610594867
2001	14.638719944503336
2002	14.501953339581577
2003	14.283863158535185
2004	13.796678831563941
2005	13.5976424547229
2006	13.814763272392746
2007	14.142995278980855
2008	14.061150006341464
2009	15.644254317998962
2010	14.862612775563907
2011	13.66357944172595
2012	14.159141219216783
2013	13.866469543649004
2014	13.809978903716122
2015	13.883386673860981
2016	14.560214146385716
2017	14.268458748663093
2018	14.130762323725083
2019	14.660420888744094
2020	15.395301484685486
2021	13.922889644254631
2022	14.916035654997668
2023	16.284106596050822