Year	% of GDP
1970	2.64078998565674
1982	1.53891003131866
1983	1.46382999420166
1984	1.33455002307892
1985	1.21019005775452
1993	0.773949980735779
1994	0.893369972705841
1995	1.0333000421524
1996	1.22724997997284
2000	1.88829004764557
2001	1.96782994270325
2002	1.9140100479126
2003	1.84465003013611
2007	2.04678988456726
2013	3.62800002098083
2014	3.62199997901917
2015	3.60400009155273
2016	3.84999990463257
2017	3.92000007629395
2018	3.91799998283386
2019	4.04300022125244
2020	4.51800012588501
2021	3.74699997901917
2022	3.94000005722046