Year	annual %
1961	5.38201245278221
1962	7.56000480256473
1963	8.01711216382084
1964	6.84347315267135
1965	8.35894278780376
1966	11.1198069519533
1967	8.87232461748262
1968	8.10422386689567
1969	6.53470864573318
1970	11.4533384775203
1971	4.65840879021158
1972	3.94333047213455
1973	10.156301329605
1974	4.91373192221451
1975	5.01236570222159
1976	9.01440741611606
1977	9.79155852929787
1978	9.73685243055871
1979	4.91751667484503
1980	5.58280777002732
1981	5.03359187690766
1982	5.43292825557748
1983	6.4945734895056
1984	5.24888037128828
1985	4.1008834994976
1986	5.1973627699266
1987	9.7902978101111
1988	13.4381907909667
1989	12.5844095474468
1990	11.1924464024792
1991	8.29966231373895
1992	7.167710390766
1993	8.86436117998812
1994	7.86885497474856
1995	7.91986024741203
1996	4.9606223739906
1997	-3.18805023175447
1998	-8.48257232528809
1999	5.62904547896549
2000	5.6997410270649
2001	2.62435364023838
2002	5.33359869071074
2003	6.54938163141907
2004	5.99755819603689
2005	4.05706148467704
2006	5.79844727713001
2007	5.77554128187747
2008	1.52224451184424
2009	-0.584733226737384
2010	6.74576567581025
2011	2.73937890948312
2012	4.92733866120756
2013	0.764421995811546
2014	2.33109878438493
2015	2.99644858935424
2016	3.84588001503532
2017	4.2511955167776
2018	4.05910673472287