Year	%
1980	-11.708635927906116
1981	1.1938967823291644
1982	4.142518216198452
1983	6.129501946953862
1984	5.384448147081202
1985	5.20687013989496
1986	5.842087417568199
1987	1.0716049162257189
1988	3.672112729005265
1989	4.572312977667997
1990	6.706570628804659
1991	8.461089670025022
1992	11.171331312416674
1993	6.7415314809695905
1994	11.600756616661062
1995	14.619383777792859
1996	12.906722956449698
1997	13.123855090630679
1998	12.109810842804206
1999	14.124817060540064
2000	16.788430374048172
2001	13.999691617465492
2002	13.915284709286
2003	14.558173287816318
2004	13.24768651486813
2005	16.44432848356909
2006	10.509876526930974
2007	12.525216879607864
2008	5.539934771569764
2009	9.969420877145238
2010	7.662271800473879
2011	5.578830172413088
2012	6.05193132211093
2013	4.192342741824971
2014	6.197319226995344
2015	7.002467570941312
2016	5.9729354271501665
2017	6.752981400145913
2018	6.712156094659997
2019	8.957571080396171
2020	4.535265343365468
2021	3.599974572589304
2022	-1.8817473352331144
2023	2.6427123024296617