Year	annual %
1961	3.4717202831272544
1962	2.35127905147381
1963	0.5493318930733722
1964	1.6951828150415054
1965	1.5013314568520997
1966	1.8178145420920941
1967	1.3120410187313638
1968	3.1420562985823324
1969	1.9210845441606637
1970	4.940445730348969
1971	17.15196384757442
1972	-4.606461016774659
1973	9.627611645317984
1974	48.896590423460765
1975	5.914022109879085
1976	10.84059272397964
1977	11.92709942162719
1978	10.085121070657692
1979	13.987837918921755
1980	25.862038763110974
1981	14.353999491320565
1982	1.9397942075231924
1983	6.804795886784149
1984	8.43350556202354
1985	4.972526402283535
1986	2.405343252936106
1987	8.842020422323088
1988	9.060963477006354
1989	16.011373515727897
1990	30.259598537520077
1991	53.78860417325825
1992	21.9261145250847
1993	13.624424659552844
1994	29.07764732355119
1995	28.577037530728234
1996	24.02190406636126
1997	7.001963048171717
1998	-3.1310886974195853
1999	10.856336310220357
2000	22.67800918986947
2001	8.014362960323723
2002	1.3728559417310606
2003	8.942462239480278
2004	11.446503789323103
2005	12.361593341309216
2006	10.781183749016265
2007	7.095515787762906
2008	15.117882164897424
2009	-7.37374817585696
2010	15.556918122538079
2011	16.90870836235183
2012	8.002446538561415
2013	0.8927529936055407
2014	1.4503646605350724
2015	-4.986744795039087
2016	0.8566882242959366
2017	4.938007294559014
2018	6.164678364676732
2019	0.8829928281558921
2020	-4.711383916224506
2021	15.953898048765353
2022	22.886075240776222
2023	-2.258254271681068