Year	annual %
1961	6.869420800380853
1962	8.881030392188126
1963	9.223262896196776
1964	10.060949749599342
1965	9.869888102343628
1966	9.882341207505018
1967	10.00372104358042
1968	9.865973234186779
1969	9.527801046491957
1970	10.009494772556904
1971	9.898792897038929
1972	10.156369052115197
1973	9.192140289073897
1974	8.392892817447805
1975	7.724214573108049
1976	7.174426045732154
1977	6.706050928424152
1978	6.303354663689315
1979	5.954401416970824
1980	4.924092988565635
1981	4.667094438602825
1982	4.403266817423582
1983	4.110666031834429
1984	3.808346944628091
1985	3.4948358510650532
1986	1.3219434458971824
1987	-3.211526449464816
1988	-3.4811014568078362
1989	-3.648957269177941
1990	-3.8028566683677316
1991	-3.9564755757687182
1992	-4.102472953879769
1993	-4.235404010036798
1994	-4.385665549447844
1995	-4.551929280717458
1996	-4.7202183624410035
1997	-2.797212076144865
1998	-0.04184800864553951
1999	-0.012557818304871791
2000	-0.2472914477729832
2001	-0.46690727765012513
2002	-0.5326582029628302
2003	-0.6293072898792323
2004	-3.498468840395437
2005	-2.405230168652123
2006	6.740488430395362
2007	8.195086635982966
2008	4.637474893738214
2009	-0.30928051780588955
2010	-4.2308139027582365
2011	-1.8190534385548387
2012	-1.562375696231436
2013	-0.40353551390469933
2014	1.3534614930107554
2015	1.6066191805138674
2016	0.34485495419549034
2017	-2.215105204115118
2018	-4.373934614058605
2019	-4.867526186238058
2020	-7.646281037130046
2021	-8.43415272755142
2022	-5.44193536069629
2023	-4.637753910765969