Year	annual %
1961	2.17375925679767
1962	2.29818366231939
1963	2.1361742316178
1964	1.61214973467181
1965	0.872839676191004
1966	0.0174781001750046
1967	-0.690614297326432
1968	-1.02185211217188
1969	-0.803441582144579
1970	-0.181916253677007
1971	0.591913435667873
1972	1.22172601550803
1973	1.60363891147576
1974	1.62417214382816
1975	1.39767833972461
1976	1.10551246971039
1977	0.903317262251136
1978	0.80186846556567
1979	0.854425178299615
1980	1.00396105733667
1981	1.1869384945834
1982	1.29557745331934
1983	1.27042851904675
1984	1.06710956641822
1985	0.74841887224285
1986	0.381334703294713
1987	0.0712256014583022
1988	-0.120274094611961
1989	-0.138716842234699
1990	-0.0328127540676757
1991	0.120809885832418
1992	0.232144826993095
1993	0.271440061763539
1994	0.199581093444201
1995	0.0528165715682825
1996	-0.115971437246349
1997	-0.243010697842063
1998	-0.305295583261971
1999	-0.4193256157655
2000	-0.0279740186992493
2001	0.402363248322291
2002	0.400750772330341
2003	0.399151168806326
2004	0.177216475615812
2005	0.147929262061512
2006	0.12429981279666
2007	0.138110347731053
2008	0.177475866720179
2009	0.214529295893828
2010	0.183239906425096
2011	0.10504177223011
2012	0.0841474080023094
2013	0.097599636675676
2014	0.0970220113323688
2015	0.0561107244885728
2016	0.0231425307711559
2017	0.011247907097728
2018	-0.0234613531527775
2019	-0.0319870125812963
2020	-0.116139360968958
2021	-0.337762721786185
2022	-0.323190384386897
2023	-0.167992320943883