Year	% of GDP
1972	1.7640954686959531
1973	1.510989010989011
1974	1.4925373134328357
1975	1.085944771951598
1976	1.6156462585034015
1977	4.9985799488781595
1978	3.4515456097098425
1979	4.9170296245635505
1980	3.0742171070240505
1986	2.4651864845446196
1988	3.637081203641724
1989	3.489294350484045
2008	1.8559253896229784
2009	5.795850169895296
2010	2.6259938657916226
2011	1.9417636270483276
2012	1.2191214954439844
2013	0.8088553118111343
2014	0.8586811928005622
2015	1.0775714916564803
2016	2.413693898054995
2017	3.276615104089895
2018	2.8791643908850606
2019	5.010950270712398
2020	8.785206292396142
2021	4.380158081922363
2022	7.085140446023976