Year	annual %
1981	6.967929230593057
1982	1.348759114977554
1983	7.98136857461931
1984	2.390513933147048
1985	7.235289323594358
1986	1.5575899246536693
1987	2.978870258853064
1988	4.6420103795834535
1989	4.2468344230372
1990	-1.079096461255432
1991	-0.8153550890823595
1992	8.25792773233374
1993	5.988307507052866
1994	16.243245264273256
1995	11.511137475081739
1996	8.800936921602982
1997	8.629282903580517
1998	10.073780465274467
1999	8.894187766310282
2000	12.134098396320198
2001	0.5407309822628008
2002	3.6333096259659072
2003	2.6881169470655664
2004	8.726368170998413
2005	5.557902732985866
2006	6.672709050625187
2007	13.836054902289604
2008	5.863825574303917
2009	-2.51636697509916
2010	0.7473494424841078
2011	2.6818083629536886
2012	-0.11735698267268901
2013	-0.500286991464364
2014	-0.43481439643267095
2015	-0.17722639337041812
2016	3.117628740562253
2017	3.337310439754731
2018	2.5725828731526263
2019	5.867653835064914
2020	-21.567809215440334
2021	6.071379817770932
2022	16.404766389666037
2023	4.177349898645758