Year	annual %
1961	6.343283719672101
1962	6.666667813177355
1963	5.9210450966519375
1964	6.83230093078177
1965	5.813955059902838
1966	6.344019096005255
1967	5.924559940859126
1968	10.567056502303984
1969	15.123404705910687
1970	17.12026767200227
1971	25.82110721925777
1972	26.361940947497146
1973	21.303184092630417
1974	8.797795216121699
1975	8.44625038132321
1976	10.64737670767937
1977	12.012040089002724
1978	14.332801588576146
1979	12.14858892090082
1980	11.986901385777543
1981	9.064857464749878
1982	12.165531855167288
1983	13.14672905045849
1984	8.545383639125362
1985	7.125271267790197
1986	8.172924331881887
1987	11.881928137320259
1988	19.449969508567477
1989	13.059405887078455
1990	6.772821949382646
1991	7.458709219437225
1992	2.9170701875102623
1993	1.9161070518754002
1994	3.6279161517297496
1995	7.030410248340829
1996	5.82980001379714
1997	8.325890883965911
1998	0.44366358607537393
1999	9.667240702761063
2000	1.9876958337855228
2001	0.250573949689084
2002	6.069530876483171
2003	4.625894749592987
2004	2.7058217061117347
2005	4.556645653231811
2006	8.36387109282306
2007	5.7925557772711755
2008	3.2520729579683234
2009	-14.144234616342331
2010	10.122209117973242
2011	6.83852974803483
2012	-0.17090076145689181
2013	11.10282377797705
2014	5.694777381859524
2015	-4.851335640361668
2016	7.204424759142668
2017	4.114363663418601
2018	4.188093553736977
2019	3.032202574456605
2020	-8.728752526390366
2021	11.920636508511677
2022	5.486028177971832
2023	2.7309190455435157