Year	%
1980	-3.613233502252772
1981	-8.053504369242303
1982	2.1653448465806786
1983	4.09210851235367
1984	6.892585927527061
1985	9.107272795172493
1986	6.336807314986161
1987	2.3247090412546614
1988	10.560399814056296
1989	5.412263943383138
1990	3.791830525590385
1991	6.065930067869334
1992	8.544762154620383
1993	13.27569169828385
1994	9.146101595185977
1995	9.62790685601605
1996	7.396162432864274
1997	9.798585292117405
1998	7.844219021375031
1999	9.555435475888546
2000	3.436071059554976
2001	5.189368078162122
2002	11.33230857485585
2003	14.317055132130921
2004	5.730658286110846
2005	6.492039124790217
2006	5.8141490384009025
2007	2.1301101515053316
2008	7.105835273758405
2009	10.45000637110682
2010	3.4014207074674454
2011	9.485532327102169
2012	8.2317157145835
2013	7.039755961965118
2014	9.633473068834704
2015	10.108716992781897
2016	9.769000447155323
2017	6.441085494462717
2018	6.831386662275322
2019	5.902407365086874
2020	8.935361974411189
2021	8.074422862723592
2022	3.8566651270526005
2023	3.008048666783732