Year	annual %
1962	4.326091335799603
1963	4.5186339264251245
1964	4.090485610869507
1965	5.771932016234118
1966	7.256598036667185
1967	4.061587880098045
1968	4.1421878437923425
1969	1.3886574081241747
1970	3.48272874045621
1971	6.5264761634812345
1972	4.227159590449858
1973	5.109869507521665
1974	3.273658324309679
1975	1.246131714745431
1976	0.14881031596635808
1977	2.725681625773575
1978	2.7400063315227214
1979	-1.100763694302458
1980	6.424166164370007
1981	4.381548125254014
1982	0.9160138567381892
1983	8.235005719136865
1984	-2.8480214522147236
1985	-11.14435297792646
1986	9.661612361222097
1987	13.859330394974606
1988	0.5036748792977619
1989	-0.36104417975226966
1990	2.726451782726585
1991	-7.137479700274284
1992	-8.672480147888422
1993	13.142833976515362
1994	3.1899645821796128
1995	6.127511413765447
1996	12.426173777464555
1997	3.133906850875931
1998	-3.458139133717424
1999	5.162145821055347
2000	6.073217479579569
2001	8.301306320523281
2002	1.5147257063110118
2003	-2.1613597220579805
2004	13.572603136869475
2005	11.818765946649407
2006	10.834727065876976
2007	11.456167000023612
2008	10.788521685372515
2009	8.80255319782566
2010	12.550538345930761
2011	11.178296227164125
2012	8.647811633374161
2013	10.582270048267219
2014	10.257492961005127
2015	10.392463020233407
2016	9.433482657844024
2017	9.564189642956066
2018	6.8161477968170345
2019	8.364085699078899
2020	6.059530886433691
2021	5.641530717346569
2022	5.321176283836721
2023	6.498134642386134