Year	%
1981	5.913103335978042
1982	23.1112553756338
1983	11.0492623584023
1984	-4.144224141195657
1985	9.868143339748134
1986	9.833815241868551
1987	5.5731902658281
1988	10.496967702347058
1989	6.350404806415618
1990	2.681317942361545
1991	6.0897921274227516
1992	10.875469231152838
1993	10.702225470408484
1994	8.267746270681629
1995	7.250363083298237
1996	12.302652910523914
1997	9.534089059521012
1998	8.760677370175484
1999	10.220547076481012
2000	11.815284468097087
2001	14.012825705161758
2002	12.125863350198472
2003	9.287497971432138
2004	10.289781266561427
2005	3.4691060003510836
2006	5.3323973005944625
2007	6.304614311778756
2008	7.365603460482157
2009	10.230995364487516
2010	4.926560928568616
2011	8.470014570177247
2012	7.33918544889901
2013	2.895599233285427
2014	5.027354173268936
2015	5.442809891225446
2016	8.534022631218006
2017	4.718225318042521
2018	7.860451900580872
2019	5.425803619885222
2020	12.971530201354593
2021	-2.190692316836023
2022	-1.5429962905668795
2023	2.120403577399786