Year	annual %
1961	2.4826183481116146
1962	1.294258047359918
1963	6.216364177709181
1964	6.980438255417923
1965	5.9803509997774285
1966	2.3788066089776976
1967	6.305066436771469
1968	5.093750610673581
1969	7.045186722666813
1970	7.175799265223162
1971	4.000640199677477
1972	3.9102510407271467
1973	2.6193440016797354
1974	4.107324238017654
1975	1.3364428089865896
1976	2.588802864826391
1977	3.5951502016248185
1978	0.893380867343609
1979	4.0504248093162545
1980	3.035697656371255
1981	3.339865845006244
1982	3.3252141667067434
1983	-2.2244700166327362
1984	4.591710853803704
1985	5.2785284570678215
1986	3.9657320913094622
1987	2.5625513594176113
1988	5.753907786079424
1989	3.878649706071343
1990	3.5791230499730347
1991	-0.38187477185790897
1992	0.4276784378516538
1993	4.0451570489881306
1994	3.9797061752988157
1995	3.883164803761346
1996	3.863934339626269
1997	3.9131894320303644
1998	4.663251629944341
1999	5.027647469467894
2000	3.921517829313032
2001	2.0251273154189278
2002	3.9796337557974795
2003	3.0906871816563495
2004	4.224321727169311
2005	3.1541392567278876
2006	2.755298242731257
2007	3.7733926810883673
2008	3.5862279798605528
2009	1.8925736085825946
2010	2.226538077975036
2011	2.4089717800568593
2012	3.9184096253833616
2013	2.6061984470602653
2014	2.6074010318852743
2015	2.201810153368072
2016	2.7791426253722165
2017	2.318709386988175
2018	2.906363115098671
2019	2.181109106109602
2020	-0.3346863594501599
2021	2.1118308892515074
2022	4.268946393498666
2023	3.0169881035701422