Year	annual %
1961	8.75151553378159
1962	9.34827745256305
1963	9.32726132730915
1964	9.05720130624214
1965	8.7863808109081
1966	8.5187235684197
1967	8.43963223695976
1968	8.25049570435621
1969	7.91515316935543
1970	7.71847083202921
1971	7.32860918280184
1972	7.02193557854229
1973	7.00072106398071
1974	7.00074104316706
1975	6.90249531025845
1976	6.69847183123982
1977	6.59289223479644
1978	6.45262324265952
1979	6.18274763023062
1980	5.89617888030037
1981	7.02499426770026
1982	9.32731382136059
1983	9.95383562872573
1984	9.26982796062587
1985	8.70876779205381
1986	8.24768775101334
1987	7.8559102352689
1988	7.49910701313696
1989	7.24198881423695
1990	7.04047391086295
1991	6.85258922949605
1992	4.98754553893394
1993	1.51345340664368
1994	-0.276912603393516
1995	-0.43896424562607
1996	-0.590421675161744
1997	-0.686848798780551
1998	0.144149940873543
1999	-0.500610762448937
2000	-1.83437768672749
2001	0.265056847861417
2002	0.576764881535037
2003	2.23306038730179
2004	3.17725287372934
2005	1.59700488726039
2006	1.29418528189955
2007	1.10035012550167
2008	0.451494680650392
2009	0.803499821546966
2010	-0.532990982673547
2011	-1.84029730199093
2012	3.54058281882925
2013	5.52303952564313
2014	2.90226583447676
2015	2.98022317393175
2016	0.42921278480994
2017	-0.971569486162305
2018	0.822710284585912
2019	1.81726005796457
2020	1.75508892692257
2021	0.883323861372725
2022	0.441198813629339
2023	0.670317314116942