Year	% of GDP
1970	-0.07687807339299832
1971	-0.3097623589701302
1972	-0.4346868362337327
1973	-0.6180859225651663
1974	-1.3389930303970752
1975	-0.40986185060913033
1976	-2.411228783671218
1977	-4.369682772428584
1978	-1.437802530212496
1979	-1.5556685134880255
1980	-3.438862533195924
1981	-2.395226682191487
1982	-0.634120829415364
1983	-1.5157874499684136
1984	-1.0729707986719101
1985	-0.2405186529651877
1986	-0.019168074444425483
1987	-0.0413127066068118
1988	-0.42069801890738157
1989	-0.5079533849150631
1990	-0.09354069049116977
1991	-0.8674292554485707
1992	-1.3196322121855384
1993	-0.3372545947231127
1994	-1.6700255077391941
1995	-1.1903204116443835
1996	-1.5851189059678028
1997	-0.8115247385914737
1998	-0.22510701865440919
1999	0.45393542662473657
2000	1.3320522860542434
2001	1.6984462719614477
2002	3.6906043974994267
2003	2.7534470219974376
2004	2.9420842551128694
2005	3.205698726081032
2006	3.5950265183033197
2007	4.3884847828160805
2008	4.424038501111325
2009	3.3526021474078855
2010	3.504524417715592
2011	2.7945530735534083
2012	2.7951749652223623
2013	2.8161725070714043
2014	3.269622841416079
2015	3.7508057284120335
2016	3.830709020870481
2017	3.163461350247117
2018	3.000798730067729
2019	3.629055011065293
2020	3.461598705300759
2021	0.9187165517285968
2022	0.4809112628026032
2023	2.8352046738557535