Year	annual %
1961	12.89771415797776
1962	16.73237259486153
1963	29.980412152240604
1964	30.315647592712622
1965	4.732163822823509
1966	14.496796350122509
1967	12.95920667920609
1968	13.881476434028002
1969	14.091435591965592
1970	14.843647697997525
1971	11.20758187335636
1972	15.780401198978652
1973	12.721164162090275
1974	30.595369769909098
1975	23.682266857601377
1976	21.236931296248557
1977	14.45389684505065
1978	21.835728520506464
1979	18.53472048674128
1980	24.65099631317635
1981	16.585783368217037
1982	6.458295668490749
1983	4.82028558506012
1984	4.421300228683791
1985	3.98543544625214
1986	4.9671801095668116
1987	4.831107809057173
1988	7.123308442418022
1989	6.0651258465101705
1990	10.087465738089804
1991	9.141033275770226
1992	7.77796412307066
1993	6.2545228237659245
1994	8.158958651640575
1995	7.024561655659809
1996	4.11067476454059
1997	4.003285762645433
1998	4.475923176117092
1999	-1.2298353902398844
2000	1.0217650054873673
2001	3.478499147160761
2002	3.0331396462807305
2003	3.4499934626881554
2004	3.1278802877273506
2005	1.0414014916489975
2006	-0.22319561244255226
2007	2.419195944278357
2008	2.8263023010858035
2009	3.608644125728432
2010	2.7374968372649136
2011	1.2818638059200964
2012	1.2518081696316017
2013	1.0185438050527722
2014	0.9068967506158145
2015	3.1855959666495295
2016	1.986038505453493
2017	2.2227813815284065
2018	0.4829489831026166
2019	-0.8393253081496681
2020	1.5637468567534256
2021	2.762931941447718
2022	1.275522574092065
2023	2.0640739616243167