Year	annual %
1961	-6.825966603074164
1962	8.642565809127078
1963	-11.775519588443757
1964	-14.404949155888275
1965	4.293539675762474
1966	4.045055491039335
1967	3.7399789829936907
1968	3.7247964546784686
1969	7.602731469087757
1970	2.777936064277327
1971	-1.7936144866344392
1972	-2.6504813213591945
1973	0.42915646935352925
1974	-1.5236700435063426
1975	-4.918493894062749
1976	16.099285465166574
1977	-0.8854784047823472
1978	6.074962039167403
1979	8.509626897305523
1980	5.356428291105317
1981	1.6691083191394398
1982	-1.98815390381408
1983	2.2454055237974586
1984	-7.360684286787389
1985	0.90381006079771
1986	1.7217091413185557
1987	-3.55690174501747
1988	1.2206997947928926
1989	-2.667884036319734
1990	-4.77249398799367
1991	-4.672529261032821
1992	3.501099586113881
1993	-10.986210848886131
1994	-41.586861366353254
1995	60.09054132985793
1996	-4.523534472352793
1997	-0.27574313267651007
1998	5.448853975641072
1999	3.1149485184882337
2000	7.029249081721375
2001	6.981381605549757
2002	11.186203859562795
2003	-0.13181210955858091
2004	4.711812055661511
2005	6.536945668346746
2006	6.354817008741392
2007	4.772660699334267
2008	8.21997789894695
2009	3.4794226136708915
2010	4.5724902430798835
2011	5.223929017443481
2012	6.001699654107313
2013	2.257665757794996
2014	3.672769905246568
2015	6.290328103786933
2016	3.413246131423705
2017	1.3738980284159936
2018	5.9059630075100955
2019	6.861761229011279
2020	-5.662011589355416
2021	8.259626527325054
2022	5.686232424233367
2023	5.799294787194739