Year	annual %
1966	5.712295351012614
1967	-8.077047981025842
1968	10.91567460363487
1969	-6.081581975098246
1970	-1.897306575778316
1971	8.134405263176106
1972	-7.972723327561553
1973	4.157059904152987
1974	14.10746503123326
1975	-7.952170565224918
1976	4.813352279445326
1977	-1.107229387677961
1978	6.505971470014742
1979	0.7680935190287812
1980	-2.60352098496665
1981	-0.5757198178238667
1982	-1.4811137386972746
1983	-0.26837292889084097
1984	0.06656700563138429
1985	-3.505875841300849
1986	10.819518629221164
1987	-1.1274418423022894
1988	-5.932449335785634
1989	-0.23124786205966075
1990	-2.0132261557005933
1991	1.560226790838044
1992	-3.331582876365829
1993	-3.1035087245786883
1994	-3.380066354691621
1995	-2.008940896707415
1996	-2.249382893251834
1997	-1.7302191095564865
1998	0.12244169213548162
1999	0.26446851962707285
2000	1.5559728194251505
2001	-1.9522348788787696
2002	-0.744711326407085
2003	0.5607184668348708
2004	-0.525174149797806
2005	-1.1436440838230624
2006	-0.520075696647126
2007	0.5068679330144477
2008	-0.8415992995802384
2009	-4.8166231379005495
2010	-2.9833114779138725
2011	-3.4643856836030693
2012	-1.3835177315044263
2013	-0.10592536756610116
2014	-0.04532096404329877
2015	0.9982252955927038
2016	1.757953554316316
2017	3.7001042612267128
2018	1.0943083806311193
2019	1.976586935006793
2020	-7.7292056370736475
2021	1.3855735098004232
2022	3.699664651339802