Year	annual %
1964	4.358353510895883
1965	29.00232018561485
1966	2.697841726618705
1967	9.281961471103326
1968	28.189102564102562
1969	-3.8254781847730963
1970	10.308072273495386
1971	0.8838086259721896
1972	16.04952692442472
1973	4.267740312028183
1974	29.452649869678538
1975	0.5741983594332587
1976	41.96633795506784
1977	7.1394996605212295
1978	10.16866530174515
1979	20.11061946902655
1980	34.95303002347762
1981	23.836431632763553
1982	-4.20368125207834
1983	11.712458005756993
1984	7.528631457526572
1985	10.014750110146926
1986	2.2217965906914383
1987	3.645221183163848
1988	-6.268180847042583
1989	12.420879140146933
1990	-3.5435219988458595
1991	-4.24124828199531
1992	-3.343352132653406
1993	12.819258586352678
1994	78.52121399814183
1995	4.275342834095187
1996	4.865327987489394
1997	-7.725257204502369
1998	-16.147445155078742
1999	11.06475026654638
2000	2.378688721304817
2001	-1.9889283589087041
2002	-5.08150274128859
2003	-7.639750348891301
2004	13.074364382325474
2005	18.283980289715203
2006	-4.5934538379464005
2007	-6.310388211398828
2008	18.428051081757143
2009	11.711170894753614
2010	16.12918206364897
2011	13.794167214144935
2012	1.555291152712723
2013	5.616222335371671
2014	14.579920430610812
2015	5.3125
2016	5.75008242664029
2017	10.303012518844291
2018	14.048377549730978
2019	8.916387725825452
2020	11.470134709699527
2021	14.569033838468743
2022	2.490284118779006