Year	annual %
1961	2.6879999900078673
1962	2.010371570425008
1963	3.174916400735455
1964	2.9061779508730012
1965	2.7532248929641696
1966	3.59364081326936
1967	2.2449637535619758
1968	2.415383585082381
1969	3.5639042250928696
1970	3.960561146989278
1971	4.801224156132982
1972	6.350062031426518
1973	12.561803068423927
1974	18.887844032300137
1975	10.191238508587723
1976	9.172109716602165
1977	10.645054819018142
1978	8.489682226806103
1979	12.471419721199986
1980	13.912665228118357
1981	9.577975179868133
1982	8.11308950866379
1983	8.52030774030598
1984	9.687012653047887
1985	7.850844924908259
1986	6.569952894922309
1987	9.259258910014651
1988	9.060963477006354
1989	8.510928443143143
1990	11.858705769931419
1991	14.610258813735683
1992	12.900034483506765
1993	11.297973858390549
1994	16.95231602776029
1995	11.076427188031019
1996	8.942193918969757
1997	6.9968221858600685
1998	6.9403213402784445
1999	6.571912343553905
2000	6.830114668211266
2001	5.381665409999066
2002	4.222739023660665
2003	5.618312718950072
2004	7.048760405384712
2005	6.961863679354259
2006	7.5567994224615305
2007	7.107540768393271
2008	9.228983155695374
2009	3.1394132185125443
2010	6.105161914413294
2011	7.83332804468386
2012	4.85536378121445
2013	3.5766963467300528
2014	2.8603116065973495
2015	2.8735872490253627
2016	2.8424752175098575
2017	4.055265402608811
2018	3.5486607641573187
2019	2.9086112914750615
2020	2.7534131423986423
2021	5.576508274682631
2022	8.262272814757438
2023	5.357882540293822