Year	annual %
1961	2.49335175802676
1962	2.50482554841122
1963	2.08163380931968
1964	2.84530025600716
1965	2.76096547770447
1966	2.38445447117704
1967	2.50837572519953
1968	2.35125644181996
1969	2.12591301262417
1970	2.12091772942121
1971	2.37969258214067
1972	-0.080293081025735
1973	-0.216623899765029
1974	2.4500214749565
1975	2.40791284634833
1976	2.15458721326339
1977	2.48878675665935
1978	2.81138829971138
1979	2.39778722968759
1980	4.15187146326473
1981	4.04229382721202
1982	2.45317104136998
1983	2.66363630011495
1984	2.41969656927228
1985	2.16050989496098
1986	1.87562119081532
1987	2.27596047847185
1988	2.18753260700347
1989	1.91366782949275
1990	2.02808887960492
1991	2.00455847406761
1992	2.61539228418204
1993	-3.32584961317081
1994	0.559847833015243
1995	6.01569069212077
1996	-0.0383704693710515
1997	-0.11211057621028
1998	1.86435899274167
1999	2.3715206268295
2000	2.0417212041938
2001	2.47511575866868
2002	2.79413757787033
2003	3.13736150828626
2004	3.71466281696618
2005	3.69979693670807
2006	3.58003081168824
2007	3.67179220330916
2008	4.11209752356589
2009	5.07844376468302
2010	4.67947760941816
2011	3.54274498118795
2012	3.52997284776032
2013	3.55110770404353
2014	3.3458633833966
2015	2.18870609045616
2016	1.62902475388378
2017	2.28730144695888
2018	2.98382355303175
2019	3.26424857025887
2020	2.86708219532744
2021	2.67247846179476
2022	2.66016084004174
2023	2.67147850336685