Year	annual %
1961	4.978423063191741
1962	5.212003509255965
1963	4.351584281670412
1964	6.956684733440241
1965	3.5606598398603353
1966	3.1558949817346758
1967	3.868146946900879
1968	4.194129624947124
1969	6.629799795295128
1970	6.352672114042306
1971	3.985827110488472
1972	5.295604742840254
1973	6.381701957500013
1974	4.565257972843057
1975	-1.9659415658482118
1976	5.652745933179929
1977	0.6261548540213084
1978	2.841896490822691
1979	2.341072955568137
1980	4.4440538763934825
1981	-0.27928327936213293
1982	0.5949867720010076
1983	0.31184270258519575
1984	2.4663828052800056
1985	1.6517928990972024
1986	1.8227618310179423
1987	2.306659565839169
1988	4.723208880328571
1989	3.4691669836833796
1990	3.137402315574448
1991	1.833074277287011
1992	1.5306549438590196
1993	-0.9618733097766068
1994	3.226971524889379
1995	2.3847572796124865
1996	1.3214509304132491
1997	3.7936576295018796
1998	1.9618082719842675
1999	3.542743463630657
2000	3.7166793842087458
2001	1.0996188877784903
2002	1.7068845845335403
2003	1.0379825490290528
2004	3.571204343358204
2005	2.3217370538192625
2006	2.552349943663515
2007	3.6768811359497278
2008	0.44692873527590393
2009	-2.020743061694077
2010	2.864292707641553
2011	1.694513898613323
2012	0.7392172830586787
2013	0.45924219290770907
2014	1.5785331432261387
2015	2.041459009199613
2016	1.2666864090209486
2017	1.6195802783878008
2018	1.7929451930207563
2019	2.2408353310313913
2020	-5.304473365260705
2021	6.927983602876125
2022	3.0147219749270278
2023	1.365055230549217