Year	% of GDP
1980	3.9542463403620816
1981	3.5588215954818176
1982	3.736762745050723
1983	3.8435273301761526
1984	3.459174701843449
1985	3.6719125834468826
1986	6.612719510423677
1987	11.262429262144313
1988	8.97830737247522
1989	11.350416990710109
1990	7.545378217966086
1991	9.55132257487468
1992	7.870415387829952
1993	9.07479729562696
1994	6.863362075987525
1995	5.253688746210933
1996	5.711354722356768
1997	6.591147108425444
1998	7.215649300202279
1999	6.903468628753862
2000	7.629120286607795
2001	7.911612025650279
2002	5.945709851669083
2003	9.035251603127303
2004	9.919224667168288
2005	12.60389142445352
2006	11.645731317862465
2007	13.100518757988123
2008	13.37822111388196
2009	12.79127111330292
2010	17.944222007455473
2011	15.019373885232795
2012	14.617722971035274
2013	14.646588355573542
2014	12.63717856308945
2015	15.945207067438199
2016	17.21662836087702
2017	19.561279414809192
2018	19.1381712604401
2019	22.695330210064984
2020	16.72346833637156
2021	16.950164374151548
2022	23.36294962620846