Year	annual %
1961	1.7151508139444473
1962	1.2986462277170716
1963	4.5949917228114145
1964	8.24578658755486
1965	3.5813389940393847
1966	2.6322090622984575
1967	2.431623403329411
1968	5.912633025002933
1969	0.1406516230797905
1970	3.167141921680326
1971	0.5467487459520015
1972	4.902185723355146
1973	4.57075650545849
1974	2.5862465724608086
1975	2.5987334371175876
1976	1.3763194376590064
1977	0.3850887891416903
1978	5.793969244826229
1979	6.623838777544762
1980	5.974025102282198
1981	7.166341880582266
1982	-2.0625684441955627
1983	-6.507723202424216
1984	1.5282902730406391
1985	0.03749470896229923
1986	-5.634417312604469
1987	0.31416571055611087
1988	-0.49904509187371104
1989	1.8925397085538975
1990	3.3353074989630187
1991	1.9411260930104248
1992	1.5682759008854816
1993	0.9018863873422163
1994	2.424820858068898
1995	-7.641244607945211
1996	4.342987176845199
1997	5.3621997860569195
1998	4.410021832100242
1999	1.0830368345834387
2000	3.3781576617800937
2001	-1.9740608911208994
2002	-1.7419726597169785
2003	-0.3083518092553277
2004	2.054518280348887
2005	0.6639102414210782
2006	3.3887570950420667
2007	0.7430812264355353
2008	-0.3280860861509467
2009	-7.447001352945364
2010	3.588002728770931
2011	1.9777284996516329
2012	2.117022962006928
2013	-0.46757258654028533
2014	1.2390799526034186
2015	1.5107446605376396
2016	0.6256827472045785
2017	0.7770096859969442
2018	1.0062488188233232
2019	-1.1057582722521744
2020	-9.286667496710564
2021	5.14933266062441
2022	3.2976179385581617
2023	2.464144312850607