Year	annual %
1961	5.243038878170216
1962	5.59655018097359
1963	5.4931084064050655
1964	5.388420987300548
1965	5.255666412718195
1966	5.13410472717308
1967	4.999364579205206
1968	4.8635389996859395
1969	4.731214765882689
1970	4.624453535300862
1971	4.368472327020782
1972	3.8411931709249862
1973	3.754326808043748
1974	3.6844819893086287
1975	3.621025903800649
1976	3.5572262560357086
1977	3.473175208793391
1978	3.4002651010678266
1979	3.3370596528916496
1980	3.3070933451454585
1981	2.9149450129440493
1982	1.7858383223761258
1983	1.7835156542849888
1984	1.7402318641891585
1985	1.6484562218679726
1986	1.5576856559892005
1987	1.4774038698832244
1988	1.383914140203733
1989	1.2572750249440907
1990	1.146072958162847
1991	1.014243058020925
1992	-4.387564595412148
1993	-7.33003052530533
1994	-3.9216447965563015
1995	0.45069805394975454
1996	4.8704525083501755
1997	4.2755892202569665
1998	2.4016743423078935
1999	1.667275693151888
2000	1.3781631665552698
2001	1.1102342569869568
2002	0.8202309169967146
2003	0.38234497045188753
2004	-0.25108419536223675
2005	-0.45550185814562616
2006	-0.16991658383594516
2007	-0.5272075270744079
2008	-0.9093257934254574
2009	-0.971012219476719
2010	-1.0313770515202967
2011	-1.098943341720173
2012	-1.1570342645038623
2013	-0.8680745653355085
2014	-0.6058059856211853
2015	-0.6091976275324394
2016	-0.5085905535137547
2017	-0.43307605125985316
2018	-0.3988033292448007
2019	-0.379470010298639
2020	-0.45975654314438874
2021	-0.617820533475667
2022	-0.3123641523472689
2023	0.15122381615337305