Year	annual %
1960	3.38461538461553
1961	2.51132153100695
1962	0.168674698957635
1963	1.87635313921265
1964	2.18024399859687
1965	1.60221845610132
1966	0.52312357869953
1967	0.693868315713048
1968	2.03730057682276
1969	2.33428760186217
1970	3.71565884809263
1971	2.32381215838809
1972	3.37276106781155
1973	7.68928991786149
1974	7.25561627204007
1975	8.79166666616691
1976	0.551512830258583
1977	10.0403748002364
1978	4.70751124951487
1979	7.14710743797893
1980	15.747254103486
1981	11.5097558377123
1982	5.81823397218665
1983	-0.880997560317507
1984	-0.442500000750075
1985	-0.235207459677474
1986	2.02788871414761
1987	0.431725669422442
1988	0.938344387128515
1989	0.847691359226212
1990	2.9834058606356
1991	2.54219284786975
1992	1.63321209889045
1993	4.14481954180488
1994	4.12992181638259
1995	4.42664550286654
1996	2.05400000000009
1997	3.11207791953272
1998	2.38525135417661
1999	2.13476888806386
2000	2.36959287531806
2001	2.92949244324104
2002	2.18849048060549
2003	1.30383777442602
2004	2.79082848067754
2005	3.00796652450313
2006	2.77378006481472
2007	1.24921923797629
2008	4.25862171897073
2009	2.08432746082343
2010	1.51563513618532
2011	2.9629852819288
2012	2.37582057760386
2013	1.1802843636655
2014	0.310306472181665
2015	1.10054826378929
2016	0.642702771527304
2017	1.36435448150708
2018	1.15782362451517
2019	1.6420600176894
2020	0.638544956776712
2021	1.49789217934724
2022	6.15375621933037
2023	5.09396758978883