Year	annual %
1963	7.15833333249996
1964	3.3284081190083
1965	2.43847369595919
1966	3.64411138096769
1967	1.97774154682666
1968	2.33560405929839
1969	2.9751392473965
1970	3.8126649076679
1971	3.86326089701576
1972	3.4870916434787
1973	6.20714116814339
1974	12.0728041856619
1975	28.4529426372338
1976	20.1715644639721
1977	13.8525690862841
1978	10.7641690976807
1979	7.95269853751444
1980	12.3403592565602
1981	8.70650214893005
1982	16.6857968797492
1983	10.6719367588934
1984	5.85714285714295
1985	7.3549257759783
1986	6.28535512256451
1987	-0.946185688941441
1988	-8.77611940298511
1989	6.74083769633498
1990	7.72532188841208
1991	-11.6861126920888
1992	-9.54291330336575
1993	0.533746556474191
1994	36.1162456962985
1995	9.64653104079616
1996	0.689693377281638
1997	3.973450075453
1998	1.44873854294598
1999	-1.93660397603626
2000	0.504920025834859
2001	2.13762052701465
2002	0.0366828893971394
2003	2.23535313551536
2004	0.40820530743925
2005	3.70833333333304
2006	-1.4094013660098
2007	5.03031883679951
2008	5.26430145575285
2009	1.88570754577918
2010	1.46154402720469
2011	1.26331707837421
2012	2.65241828695626
2013	0.505441058915615
2014	4.69045751826284
2015	-0.338795188753406
2016	2.10670712784054
2017	2.65192583143902
2018	4.74906652083221
2019	2.46456756151187
2020	1.35276110675333
2021	1.0869074651941
2022	4.23124798274579
2023	3.62901534185376