Year	% of GDP
1989	25.514837841512993
1990	20.624872499509294
1991	18.906047123059498
1992	17.97761835711687
1993	19.364856739525717
1994	19.903798342522645
1995	17.626537607931034
1996	17.710504816566157
1997	17.791007898067907
1998	18.236599576367023
1999	18.33631297870279
2000	18.302956357131514
2001	18.0026963360229
2002	18.818781381737423
2003	18.477598146930614
2004	19.996686508147025
2005	19.500471603531587
2006	20.51886198520283
2007	20.820050381431702
2008	20.43823359591598
2009	18.72407898403407
2010	19.765037608794447
2011	20.187984673175723
2012	19.54272016018606
2013	18.614813548339747
2014	17.805843481921382
2015	16.93619629031678
2016	16.779531947519203
2017	16.937506370233532
2018	17.244271455083886
2019	17.189832610642743
2020	17.507722989207643
2021	19.043550863875883
2022	17.58220146615465
2023	17.162165430244276