Year	% of GDP
1980	16.209433145824317
1981	19.091471908373318
1982	13.381115612340293
1983	14.279622621395449
1984	12.705623740611834
1985	10.923252649564597
1986	10.636409736308316
1987	10.186009927599011
1988	5.894184332794363
1989	8.325568104228228
1990	13.005915475779073
1991	10.908869914005287
1992	8.369774228410058
1993	7.748114260567819
1994	8.663770456903475
1995	5.572866056262423
1996	11.036004345709996
1997	-2.424357900463637
1998	5.313475255557975
1999	0.2928697760378371
2000	1.09681037230364
2001	10.993081545948934
2002	11.80615208764715
2003	11.329882753892008
2004	10.429835503822572
2005	11.40960859856534
2006	10.273562171795108
2007	9.550598610639874
2008	9.249290664790244
2009	9.941113107327553
2010	31.087473030799877
2011	42.075220953041715
2012	27.949024258029137
2013	13.761315677475883
2014	13.689061049024062
2015	15.407139065521072
2016	19.14274301606192
2017	18.59321079312052
2018	14.828374034585426
2019	12.532034153828352
2020	12.10084302517157
2021	11.166865312278635
2022	11.736991255063545
2023	11.741080228661541