Year	% of GDP
1992	25.76086956521739
1993	5.187817258883249
1994	75.95571292081156
1995	16.880060624531517
1996	11.520128858052846
1997	12.171469072867541
1998	20.18054263908135
1999	15.10311744893697
2000	15.014451816330551
2001	11.440616774974961
2002	12.33668601247977
2005	6.570220587670267
2006	6.644401831783718
2007	8.909260816361396
2008	10.656634368537677
2009	18.557461980871242
2010	18.90524572690704
2011	39.41681084476558
2012	24.429313423056676
2013	23.83729555523913
2014	24.54880852083049
2015	37.59809860229085
2016	38.92409841072576
2017	39.880179956122106
2018	37.09564601046436
2019	33.244228616809664