Year	annual %
1961	3.83727745350339
1962	5.449879973423293
1963	7.7639077926339155
1964	10.397000225706591
1965	6.969987817698396
1966	8.607503048129715
1967	7.346802975507899
1968	9.326309349524962
1969	11.47577178169908
1970	3.891123437715251
1971	5.279263138812169
1972	7.1626604103427525
1973	7.665344457918948
1974	1.0012625533426558
1975	3.5695014266162985
1976	4.174526050947634
1977	5.183454179053854
1978	5.792521805962906
1979	5.896271888746128
1980	3.7786590419267725
1981	4.667911538030722
1982	4.148316366367013
1983	4.427545021006523
1984	6.16025548767891
1985	5.699138656095329
1986	4.921083753845409
1987	6.266007959296289
1988	7.60267032160975
1989	5.161070870886178
1990	5.067452850063603
1991	4.854459300343052
1992	4.244202243246903
1993	4.198741033446467
1994	5.238420282002849
1995	5.6689333231722685
1996	5.620713891141179
1997	4.0544224393462684
1998	0.4509689638341001
1999	3.7373918261264407
2000	5.396241428459646
2001	3.2990425321645773
2002	4.377250818480263
2003	4.947553287288514
2004	5.867643987114278
2005	5.899301158129575
2006	6.453779317977393
2007	7.4665728792779475
2008	4.384950012296045
2009	2.5609471344613723
2010	7.609593532900561
2011	5.461872630830314
2012	5.183055659257079
2013	5.24506084727625
2014	4.75870428385916
2015	4.728386040648559
2016	4.659079891677081
2017	5.053174482481722
2018	4.759154813780356
2019	3.9602219143195327
2020	-0.14469282227278768
2021	6.221136263902309
2022	2.886029579542182
2023	4.095178603935423