Year	annual %
1960	7.78816199376884
1961	18.5621387281079
1962	1.67590956140175
1963	5.57420282915096
1964	1.84512319774997
1965	-0.730252522661404
1966	2.36410601983339
1967	-4.33375390856906
1968	-0.28671368777001
1969	9.65552935762118
1970	1.77260331451337
1971	2.06121817995229
1972	-2.92335655867958
1973	7.60389036254305
1974	8.71960945428422
1975	18.7569466058634
1976	-8.40071877820545
1977	29.9861042997141
1978	8.26914007214047
1979	14.9934659503595
1980	12.2026364968298
1981	7.55570560440939
1982	12.0597652081337
1983	8.15376277420429
1984	4.84695768186083
1985	6.90605782140467
1986	-2.61174292476783
1987	-2.68178423511596
1988	4.25561601785942
1989	-0.481798715203334
1990	-0.504303388918912
1991	2.16260052713421
1992	-1.99113580736892
1993	0.553455723541917
1994	25.1778762249963
1995	7.45884497828324
1996	6.09780439121741
1997	2.31869062176685
1998	5.08433344145323
1999	-1.07261362759534
2000	-0.304212168486803
2001	5.00743290822373
2002	2.17569480664608
2003	2.03456574053815
2004	-0.400228702115452
2005	6.41504018369684
2006	2.3331085637222
2007	-0.230627306273038
2008	10.6597978997424
2009	2.60817666368315
2010	-0.764230734676758
2011	2.75976724854523
2012	3.818152402524
2013	0.533738507090536
2014	-0.258089517535384
2015	0.724838981070517
2016	0.441041448058902
2017	1.48299897161325
2018	1.95594302672523
2019	-3.2333893398333
2020	1.88443993781991
2021	3.65353287214209
2022	14.2902354303358
2023	0.742910428668841