Year	% of GDP
1991	6.008156633382325
1992	7.168133644204514
1993	5.305342301464468
1994	4.354170830059681
1995	4.085715272532025
1996	3.3727339554030107
1997	3.429807236888386
1998	3.435739657561191
1999	3.18371885782238
2000	2.771451612557952
2001	2.9897473231314455
2002	3.6407440681622925
2003	4.1430243283352794
2004	4.038112187160355
2005	4.52486663528446
2006	4.172618012528323
2014	4.751952084998163
2015	4.886514861323642
2018	5.53287170108244
2019	5.4147885286067865
2020	5.898925781049706
2021	5.987668946285919
2022	5.020735140398741
2023	5.115751548047814