Year	annual %
1961	6.293956695010365
1962	4.253819911262255
1963	7.7738971807798265
1964	3.8559432114296754
1965	3.0254854105308056
1966	10.027358294835878
1967	5.516052310201786
1968	-1.0447317946364478
1969	2.996893421722021
1970	3.7104552122830654
1971	8.313018622140248
1972	7.427774077466353
1973	7.8385786773515775
1974	8.113741279398539
1975	8.304804547699064
1976	8.675751335565153
1977	14.524531454764713
1978	-0.8283430825228635
1979	17.101597875754294
1980	20.14400853656464
1981	27.78912691647399
1982	6.04473816531285
1983	6.338371527855301
1984	12.111394616947365
1985	2.4985401529201
1986	-29.17266248172885
1987	7.6265215785214195
1988	-6.2263529839170815
1989	12.74406017884499
1990	-1.0290682709095762
1991	-1.4806356951598616
1992	-1.5692684126463803
1993	-1.1308286110912888
1994	36.75282565382204
1995	3.395929510390559
1996	17.991924026720497
1997	4.9645176820283865
1998	-18.222089661454916
1999	29.355341928193297
2000	47.04008307618224
2001	-13.92520816832311
2002	-1.7389275602747034
2003	-4.251536920304105
2004	16.807238305784992
2005	32.49873951054644
2006	11.380301762570639
2007	6.740117131812951
2008	16.269203427653608
2009	-21.16523311289616
2010	29.417683796629632
2011	10.953325511461955
2012	11.364090236871775
2013	-1.1045621892685773
2014	-6.464563312921186
2015	-17.253987544945787
2016	-3.5024872890262913
2017	12.365676852804228
2018	22.234441292158394
2019	-1.3173727345035644
2020	-13.999554899506535
2021	23.29070716623079
2022	18.260898780846574
2023	-7.567702286992912