Year	annual %
1961	1.2523931823275092
1962	9.011424729423354
1963	5.901934350733939
1964	3.21393761012132
1965	3.903782770508201
1966	6.785285421757223
1967	3.9184049656375635
1968	-4.059711374169055
1969	0.5916539008950679
1970	-0.31226937857918813
1971	1.9332567283725268
1972	-0.45031168780447217
1973	4.687495943646255
1974	6.490350486275773
1975	0.8591621077362674
1976	-1.5329302834962846
1977	-4.4633907437072935
1978	-10.373678897986096
1979	-3.0356409551433217
1980	4.398669000308786
1981	4.835967219098535
1982	-4.761341959794535
1983	-7.862241316971563
1984	0.3128083785584437
1985	-0.625970097210427
1986	12.380861474559808
1987	8.809370364337227
1988	-10.385479013519628
1989	-18.197310064853383
1990	-2.729954088627565
1991	1.5403293672633822
1992	-2.7407211946674295
1993	2.362855536688386
1994	7.316787062858836
1995	7.430283244371424
1996	0.4839008187766751
1997	1.7515522090794349
1998	-3.6956997644910956
1999	-3.063569530355693
2000	0.9768526303724627
2001	-0.3434843351033976
2002	3.6449351037290967
2003	1.4420276032643926
2004	2.3941204722919025
2005	2.727474103620935
2006	5.336671593356996
2007	7.816295845607527
2008	8.119864327454536
2009	2.3508774234303615
2010	8.278601591273897
2011	6.29901187558184
2012	6.453594384047534
2013	4.714546125900853
2014	3.1412425593087505
2015	2.806170794486505
2016	2.3402534937191746
2017	1.1090521505681323
2018	1.900995737141372
2019	1.2914372909953897
2020	-11.158728451746697
2021	11.17374081480527
2022	2.5595176459983833
2023	-0.8123436803322335