Year	annual %
1961	3.56393711011929
1962	3.74287571833027
1963	3.80893446484078
1964	3.53264159465436
1965	2.86221865723373
1966	2.31173789660919
1967	2.20261865551158
1968	2.26887603485018
1969	2.35901500781749
1970	2.45791800920173
1971	2.54147036819086
1972	2.7437837412314
1973	3.48871567971887
1974	4.46587590267275
1975	5.02847086538881
1976	5.18302729647142
1977	5.16887608906913
1978	5.14924047094783
1979	5.12761612081047
1980	5.04647408159656
1981	4.91626610485739
1982	4.81292959497818
1983	4.72905699952835
1984	4.03466847676346
1985	3.30470997131804
1986	3.09459368999714
1987	2.90031453221692
1988	2.76379713506141
1989	2.66164460581806
1990	2.55638829507805
1991	2.44769331204646
1992	2.341098072379
1993	2.22817537397987
1994	2.09725106355272
1995	1.9578924048939
1996	1.82150592827614
1997	1.69262451355405
1998	1.59091790215229
1999	1.53477077626055
2000	1.89556266562551
2001	2.32259340851935
2002	2.4232450219976
2003	2.50863381723218
2004	2.58107591705621
2005	2.61040132087158
2006	2.29252154954785
2007	2.05147873321277
2008	2.12887841520837
2009	2.09437470204341
2010	2.05103928741641
2011	-4.79355371289299
2012	-5.28007770057696
2013	1.94607768885519
2014	1.86288826279856
2015	1.53739411600028
2016	1.4423513120791
2017	1.5175888785251
2018	1.54843762620192
2019	1.39951441440416
2020	1.28344509210842
2021	1.21494764533037
2022	1.13768828173195
2023	1.1101275120524