Year	annual %
1971	5.375330011234098
1972	2.291032745834954
1973	1.5923009723197765
1974	5.683775442680812
1975	5.378096427577162
1976	1.6393442689974052
1977	23.417528886327133
1978	2.8972999801563333
1979	16.343158421231976
1980	-1.0813594130680855
1981	-10.313902247073187
1982	3.0927836209550605
1983	-3.8739714963767113
1984	-6.030460016269473
1985	9.299886058898863
1986	-5.832118899428735
1987	-2.930113483066819
1988	1.9987299576423396
1989	3.135315636777719
1990	-2.152645746699875
1991	1.2010027213935786
1992	0.6999999771368266
1993	1.100000006729715
1994	2.199999994152634
1995	2.0000000182606357
1996	1.4999999937342494
1997	0.9963251850399217
1998	2.499983975095077
1999	2.50000583845636
2000	0.4483683491233421
2001	3.064484745727185
2002	3.3601881682219954
2003	8.291519461198178
2004	3.537905943568404
2005	6.614624750335992
2006	8.866109359440259
2007	3.641471851660242
2008	6.228785069610197
2009	3.3024141434211884
2010	1.4484340046702329
2011	1.9994495090304412
2012	2.9429221603030697
2013	5.119700882643528
2014	4.906209872618646
2015	1.5396921689366536
2016	5.17682174955398
2017	4.11296860682981
2018	4.378139399391955
2019	2.0143193429343853
2020	2.624859495438116
2021	1.899298913378317
2022	0.06528243808467948
2023	-0.4744429516048001