Year	annual %
1971	-2.5261053338239066
1972	0.9972332974368783
1973	0.8906769641394305
1974	-0.920696155915806
1975	-5.412482859656336
1976	-2.528959037621817
1977	-2.660724653595338
1978	-3.598624899085209
1979	-4.552935268094146
1980	-2.0075151468886503
1981	-3.847772184981693
1982	-2.97935496391716
1983	-2.8461855264876164
1984	-2.4357304888830527
1985	-1.4809658564806938
1986	-0.8129640675904568
1987	1.049155171604795
1988	0.8210462135263157
1989	0.7974894685938523
1990	0.04232062458979158
1991	-0.90401445386901
1992	-2.328613181915358
1993	-4.1650300952111365
1994	-0.7719984751017108
1995	-0.33038351816834677
1996	2.661055932021796
1997	8.165547742552917
1998	2.3969199864858126
1999	3.355457445664527
2000	2.836053539890699
2001	5.372532989253486
2002	0.07670235754217458
2003	4.1968370936950095
2004	3.8823837773149563
2005	1.578040218905258
2006	4.29262143453559
2007	4.220375420398966
2008	-2.9353820268668898
2009	-2.4780370723148053
2010	1.2226877027027
2011	1.3408938924110316
2012	-5.571255543152105
2013	-4.026027034269845
2014	2.140938982247789
2015	1.2574160126914933
2016	2.5745045877466595
2017	-1.4165790203586113
2018	-0.003870295557362624
2019	0.23829656950252343
2020	-12.735077561117208
2021	6.459440531800183
2022	8.479469505176368
2023	1.1097862608741451