Year	annual %
1961	7.041738469871731
1962	8.323312530314269
1963	8.65104701177735
1964	7.0609237194138075
1965	9.20484246776418
1966	7.499148394843431
1967	6.223223354732042
1968	5.180434597966908
1969	9.375234036075739
1970	8.397917946459856
1971	6.365448574083118
1972	7.173574976150206
1973	6.344895849338442
1974	2.9173784910371268
1975	-0.6545673862867574
1976	6.24308781357648
1977	5.9506822347487685
1978	6.931946225412972
1979	7.906824687646406
1980	4.243465305467879
1981	1.1479472252542848
1982	-1.556643207833858
1983	-2.3419746327955124
1984	5.92868652841085
1985	3.0974426445497443
1986	4.977367449075643
1987	5.768998903614715
1988	5.888372737596683
1989	4.334952397027436
1990	-2.8405407262024056
1991	2.3043911874036667
1992	4.564051814542964
1993	4.644527001257146
1994	4.185958612869726
1995	4.5489881060350825
1996	2.313707508705832
1997	4.8800872093022605
1998	5.530725611798303
1999	5.389699927772099
2000	3.2719645286231724
2001	6.313471554689059
2002	0.9164593835417918
2003	0.05341980468914187
2004	8.748676926536262
2005	-1.9869387333226882
2006	-1.409414024428699
2007	-1.162806690293479
2008	-1.8441342497801116
2009	-1.9524251417225287
2010	-0.41325411848477245
2011	-0.3585106282879167
2012	0.02927511048980591
2013	-0.306826657099748
2014	-1.1903634538533794
2015	-1.049290032386736
2016	-1.2636943478111675
2017	-2.8852183839848067
2018	-4.361427031625354
2019	1.6754637949820932
2020	-4.180874309334598
2021	0.3852227195292386
2022	3.5681102472066755
2023	0.5635194268008661