Year	% of GDP
1988	54.51993262212241
1989	45.14834205933682
1990	48.8688295560385
1991	46.94458348230246
1992	37.46133613887428
1993	45.242900880415135
1994	50.800032746623
1995	52.08879862621656
1996	52.02146342328323
1997	54.753141283253804
1998	57.46831389898857
1999	53.54291887382189
2000	46.18756317288451
2001	49.386250413480845
2002	51.167536124832644
2003	50.66763741447554
2004	50.43756231202544
2005	49.94177287807031
2006	48.776616175982376
2007	48.77838498265268
2008	48.898112131961746
2009	54.63648459892233
2010	51.48790997793036
2011	50.384935289616394
2012	51.44691748135922
2013	53.16562011462519
2014	53.7630013918765
2015	52.6798287104904
2016	53.24781203535316
2017	52.87119786767012
2018	50.36591929460042
2019	51.5990121186078
2020	51.495707243579446
2021	49.94720297542214
2022	48.55934230476198
2023	49.80263764833156