Year	% of GDP
1975	0.603585657370518
1976	1.63125877398222
1977	1.25008863362405
1978	1.26644951140065
1979	1.21030962720659
1980	1.40308322552824
1981	1.40963855421687
1985	1.55887833477253
1986	1.56493310964856
1987	1.61078320565951
1988	1.26628600271302
1989	1.49653610007552
1990	1.4191337327407
1991	0.924685894061952
1992	0.8903513431062681
1993	0.9174582336268811
1994	1.01320529871609
1995	0.775516093293818
1996	1.01731136644028
1997	1.0753537542736
1998	0.87922032066839
1999	0.691394522292367
2000	0.639107654317662
2001	0.547294852305232
2002	0.371637931460894
2003	0.345763181450338
2004	0.389122470657362
2005	0.41663776935302504
2006	0.376920047262702
2007	0.41160260033917495
2008	0.337014470677837
2009	0.447943023146847
2010	0.32514450867051997
2011	0.356925097321889
2012	0.519471738934463
2013	0.49454926624737905
2014	0.484413309982487
2015	0.459900166389351
2016	0.381076923076923
2017	0.355034482758621
2018	0.330226700251889
2019	0.36288782816229104
2020	0.39945482110578895
2021	0.339121498498937
2022	0.332904919500801