Year	annual %
1966	8.892920057042195
1967	7.290392781827461
1968	13.579249685873274
1969	11.713947056499407
1970	9.41686590179241
1971	8.433158571825688
1972	17.693105668566524
1973	22.704132030454538
1974	16.659442098179824
1975	19.438182764002082
1976	8.82338998317097
1977	10.045413458501683
1978	15.9999802072303
1979	16.890828353147434
1980	22.85075138855437
1981	17.20487281779214
1982	13.509156989269114
1983	13.827411892896057
1984	19.804743895549556
1985	14.62100187472882
1986	8.79447070831015
1987	19.523265882766918
1988	27.01572262272571
1989	20.569561682695632
1990	11.854181289580499
1991	17.111232744586697
1992	2.8612107439147936
1993	6.309784923339013
1994	18.316029210941032
1995	16.03137115479032
1996	14.278939977019462
1997	17.813208209646014
1998	13.6529503084555
1999	10.907251747796483
2000	7.215056980156796
2001	20.18987631955257
2002	18.28619071796261
2003	13.350601675220847
2004	13.152997825078675
2005	20.69744990442663
2006	22.623009890223848
2007	23.93113770380791
2008	14.73821349656651
2009	1.7610859545272333
2010	6.9340298829997815
2011	8.341284533926812
2012	5.1717302565556516
2013	5.916590728406921
2014	7.279487972720156
2015	10.323645575492188
2016	6.079448926599298
2017	6.425536377950886
2018	5.599615662720948
2019	6.110245232266117
2020	9.427326461180542
2021	5.709985198674206
2022	8.637725942952658
2023	7.593742776854308