Year	annual %
1961	2.93122379956332
1962	3.0073975941696
1963	3.05230158408902
1964	3.09056153453644
1965	3.49582870332754
1966	4.29389574701592
1967	4.83746857022364
1968	3.76283850736138
1969	2.67448409527743
1970	2.72553558679146
1971	2.63643129473381
1972	2.60142248220923
1973	2.64702349511189
1974	2.65634479087213
1975	3.19037971904244
1976	3.54228298424845
1977	3.35099436847747
1978	3.12007639039607
1979	2.8804992396949
1980	2.65848338110614
1981	2.376374611717
1982	11.7629536217751
1983	20.4732385986935
1984	19.0521108951033
1985	16.6863190322604
1986	14.8735948409081
1987	13.4209839623748
1988	12.1712919760007
1989	11.0472258573008
1990	6.70469679879465
1991	2.14207230123691
1992	1.03513067042241
1993	0.727500549123089
1994	0.453716643048697
1995	0.187027173449342
1996	-0.0951701237666289
1997	-0.367935549480073
1998	-0.674648540967071
1999	-0.0103091012273227
2000	1.74083327876863
2001	2.59027432592699
2002	2.51203356297776
2003	2.43794667244693
2004	2.37686428482674
2005	2.28282449439949
2006	2.16168689426467
2007	2.03858225170899
2008	1.85726926617157
2009	1.64919396468654
2010	0.898201382313273
2011	-0.296670913120137
2012	-0.89533039781617
2013	-1.0800356153793
2014	-1.06630065312841
2015	-0.685821045858366
2016	-0.59858980697911
2017	-0.909005350138279
2018	-1.88452934786726
2019	-2.18305595098921
2020	-1.72979919917872
2021	-1.87599492510377
2022	-0.49263501943339
2023	0.89560315551153