Year	annual %
1961	1.4963916870629674
1962	7.053380250965773
1963	6.232746180548631
1964	-2.776264158332424
1965	3.8464204563798603
1966	-3.2230457409050643
1967	-2.716525749229376
1968	-2.426522636444929
1969	-8.087301972449453
1970	0.25930577507011776
1971	2.873582160901634
1972	-7.654390062294098
1973	-19.229269070186575
1974	5.903418659210786
1975	-5.395049449865681
1976	-2.057850018708976
1977	4.7854830054697
1978	10.237607889400152
1979	3.9829554597408077
1980	-5.394511126480637
1981	-3.205219028775929
1982	-0.9102241747170439
1983	-6.735824857675411
1984	-19.291713542855277
1985	4.514451853247124
1986	3.183177340759883
1987	-2.9029549379762045
1988	3.6718925275355474
1989	-2.0759040457996463
1990	-4.309942061291679
1991	-3.483411996304298
1992	-1.1253956298562287
1993	-2.7932111032998534
1994	-1.3665891843029812
1995	-0.8897552842568501
1996	-3.2133501788714227
1997	-1.8031499272147613
1998	6.318123565012385
1999	-3.564826076355928
2000	-4.533605699320788
2001	3.623725288040731
2002	1.338057375232296
2003	-1.3479062022204715
2004	-3.1358220132242707
2005	3.5488894514146665
2006	2.170619107617398
2007	-0.5453624525863603
2008	3.846700362549143
2009	-1.7422251912411184
2010	4.602067048212888
2011	-1.4063462658661479
2012	6.415644392753066
2013	1.3697821301352775
2014	2.6850897800347013
2015	0.47115442412814446
2016	1.7298515331947328
2017	1.0627957902426033
2018	3.2266224675505697
2019	2.0249157625018768
2020	-0.23775833210805786
2021	-2.306300509139163
2022	7.821354994347729
2023	-1.2486436619878418