Year	annual %
1961	-3.4983125528590904
1962	-0.20570786374099725
1963	7.537205132156515
1964	0.47585756245224786
1965	2.267202857568691
1966	0.33790087338276464
1967	1.716859445695036
1968	0.23964894128469894
1969	2.191540492768638
1970	3.6328604821363797
1971	4.174688080223092
1972	4.076862975719834
1973	1.1431844258845274
1974	9.366978428606316
1975	10.127651582104889
1976	2.9219947046842094
1977	3.3155616820243097
1978	-1.0154915145520391
1979	-1.5894222394701103
1980	1.1048182200169805
1981	-0.6686445657742581
1982	0.04438883987722875
1983	5.916225843109174
1984	0.9646893649880326
1985	2.3701233888482136
1986	-5.015381289131298
1987	-2.2177641209573267
1988	0.17907475432434694
1989	-0.9358124022795948
1990	4.633352266566675
1991	3.3328921534824474
1992	3.6299501460127317
1993	1.2262192299259596
1994	-3.288829143313407
1995	-1.0716047205008152
1996	3.345407818563075
1997	0.921189390581219
1998	3.020166853632958
1999	-1.0050371155606683
2000	2.6344790638843705
2001	2.389496668416541
2002	3.81661502584339
2003	1.4669516136412142
2004	3.536067692535454
2005	3.886118320698003
2006	3.1773311543129807
2007	7.190087022947637
2008	1.4657691626620135
2009	4.47337424508882
2010	3.2869734843883123
2011	0.5562091922889323
2012	2.7155672011131458
2013	-1.4568405339405643
2014	0.2106555716494114
2015	-2.741644940370847
2016	1.4414523095299927
2017	-0.23800901777978822
2018	-1.8704601695445149
2019	-0.8290738018344825
2020	-2.7968913105420086
2021	4.2102988807020125
2022	2.2320832720517387
2023	0.8943721334854899