Year	annual %
1961	3.66404136005686
1962	4.06115789487265
1963	4.88863596386997
1964	5.35608254807693
1965	5.67125733218736
1966	3.67060234603694
1967	1.53278649863319
1968	2.80618316582627
1969	3.43891342298858
1970	2.35376442236089
1971	1.71122396044593
1972	1.53725302313677
1973	1.54259528294917
1974	1.50506887615595
1975	1.44108824798874
1976	1.4753800885925
1977	1.83093200420334
1978	1.33495508053859
1979	0.594964404619717
1980	0.643849540388848
1981	0.7307875404321
1982	-0.247347649377971
1983	2.06405676470721
1984	3.67278229875919
1985	2.28748263331499
1986	2.54170452109614
1987	2.68441434210394
1988	2.95842958052523
1989	3.09933144362525
1990	3.08953900135972
1991	3.11820135031774
1992	2.26658397654289
1993	0.953089995314746
1994	0.468293538726852
1995	0.407965597402228
1996	0.28072231784079
1997	0.173845900457398
1998	0.1350048421061
1999	0.0578034698175382
2000	-0.0578034698175388
2001	-0.135004842106115
2002	-0.115863680046712
2003	-0.0676491932056878
2004	-0.0870448335824672
2005	-0.164625031127357
2006	-0.232874159189534
2007	-0.262633291373521
2008	-0.234032286243007
2009	-0.097675334977918
2010	0.0781478988682006
2011	0.409277515375299
2012	1.55356045898291
2013	2.36551856896574
2014	2.27429604672952
2015	2.21477979482578
2016	2.22801188569867
2017	2.11954818190381
2018	2.05039801977074
2019	1.72934140105098
2020	1.49714417461665
2021	1.57902257627617
2022	1.24708713411304
2023	0.880232027299544