Year	annual %
1961	4.527283278331026
1962	3.694261800950585
1963	-6.265338526484641
1964	3.669725564611454
1965	0.8849350671031715
1966	0
1967	-9.523813464139678
1968	6.509705889077907
1969	2.8608449698002545
1970	10.74588955310523
1971	2.968050584376286
1972	25.831488942193758
1973	-11.10133504971408
1974	-8.820591531186778
1975	-7.608709434854234
1976	10.376820315912937
1977	13.22941109525442
1978	9.77747389358521
1979	3.3822169375082467
1980	2.442720219078069
1981	4.613904086397142
1982	4.4768491703859326
1983	2.168596119354376
1984	6.58633897223109
1985	6.179346279964662
1986	5.599740530783805
1987	0.43800494090939424
1988	14.074694534189902
1989	1.4056107880040116
1990	4.149186828343062
1991	1.1355751883269818
1992	6.377940627082921
1993	4.2507307739710285
1994	-1.2476233644714796
1995	7.76665024455248
1996	1.2879120031408888
1997	3.505150872706267
1998	4.090194933258502
1999	2.7103107128915553
2000	1.6390319039446695
2001	1.7482310202889835
2002	5.342127074367184
2003	6.691336653527969
2004	4.114698804447372
2005	2.488557339381316
2006	6.99692626758825
2007	3.3229685982929027
2008	0.40464080863888796
2009	-1.3781936056056026
2010	-4.47046793507802
2011	-0.6062766514832703
2012	1.1691121837647813
2013	2.4624841721544044
2014	1.2502543692718149
2015	2.7831611943520187
2016	4.145931681839343
2017	1.448830633671605
2018	3.175611442399102
2019	0.6617274436798652
2020	-3.7391459918701457
2021	0.7537970799007496
2022	7.159832865734899
2023	6.016109145062359