Year	% of GDP
1993	0.8550718345419862
1994	5.353874567791749
1995	4.753282009147738
1996	11.87241475624514
1997	16.588728451662043
1998	11.03815834923484
1999	17.241335943890228
2000	7.7325866306287345
2001	4.2306877776858585
2002	2.476733169707184
2003	1.3998152546191904
2004	1.3954686852388383
2005	1.6740000719686552
2006	1.9719297312937571
2007	1.9637600961465531
2008	0.5654053710931657
2009	0.3478190122546903
2010	0.010289804589900007
2011	0.009202243259652064
2016	21.795700286154673
2017	22.60718052498744
2018	17.993981963639904
2019	20.802303909114816
2020	17.641859050922033
2021	19.256219798498094
2022	17.17699888222974