Year	% of GDP
1996	8.781704143541589
1997	16.918684665623694
1998	14.45479545109603
1999	33.06800785180536
2000	31.160337327347765
2001	12.818694445366127
2004	106.10873775311546
2005	96.02486737484882
2006	77.11718140269775
2007	54.21488450737577
2008	20.90955795632373
2009	9.391228847609106
2010	5.9242602829621145
2011	4.179731515905579
2012	4.788351234881808
2013	0.21762391732117087
2014	0.19886475392444022
2020	6.421899255422686
2021	5.985435746877229
2022	2.0325012635723705