Year	annual %
1961	1.348916697765219
1962	1.6674389844153268
1963	1.5906620544434418
1964	2.000486074038605
1965	3.4323356565734144
1966	3.7370022618910212
1967	-5.7645155187939
1968	4.067381765567802
1969	5.723202017183283
1970	1.9818205393129347
1971	5.985496221789987
1972	13.942121928253599
1973	6.965017553249297
1974	9.820344322086385
1975	24.762172105337214
1976	4.542947275905874
1977	7.478893624003419
1978	16.546444264143318
1979	2.4283855269758874
1980	41.45950091166324
1981	12.577115722457847
1982	-4.852643938654396
1983	11.556841727952076
1984	8.102949976867777
1985	18.707779475227653
1986	16.253272347728355
1987	11.735783517085167
1988	20.081100924916868
1989	14.839283909724628
1990	11.993903907882881
1991	17.827222038175435
1992	13.938990210066109
1993	11.297973858390549
1994	7.766636194342752
1995	12.816518893369121
1996	6.002044062221202
1997	9.018940913850585
1998	9.922233698401882
1999	8.131252583242585
2000	6.300218251945822
2001	11.473054920566256
2002	14.206932442900609
2003	2.438812826729219
2004	9.60039256006742
2005	5.922843200975109
2006	9.310988480807055
2007	-6.682454307369909
2008	16.719820413429815
2009	2.345030867916307
2010	5.337110137209706
2011	9.426407003243881
2012	2.1820480175295245
2013	10.279895643738286
2014	14.035152154547916
2015	10.20303918549044
2016	-0.29245116177675357
2017	2.01891024364069
2018	11.723068641462064
2019	3.575454469320661
2020	5.726821489058494
2021	3.3315302599025216
2022	3.949392129029988
2023	-0.09401493429922425