Year	annual %
1961	-3.649140010646917
1962	17.254909194167013
1963	6.983295861763423
1964	7.099446276710395
1965	-11.93560811886536
1966	12.78907527355841
1967	3.3140379974821172
1968	0.3743438168848172
1969	10.746214616114642
1970	19.792369248536204
1971	11.42483227699205
1972	12.647299243489769
1973	11.048286976839705
1974	5.5584436493511475
1975	5.3176664608579784
1976	6.629855941563022
1977	3.4352903007940796
1978	3.7568541817408914
1979	5.455344768851063
1980	4.066312534916477
1981	3.511509268781765
1982	2.501794159598788
1983	4.481000993697663
1984	1.4403753246086524
1985	-5.2272780052012
1986	5.676563406769603
1987	8.980231041658925
1988	0.8542973656763309
1989	6.021811010110525
1990	-5.11034241257218
1991	1.4707584581437914
1992	11.125767470280977
1993	5.600704467860098
1994	3.283392016548973
1995	5.691340777259285
1996	6.751938464902921
1997	8.837383003797441
1998	6.461187287137761
1999	5.655205465374877
2000	4.8688130237132015
2001	2.4345108179830675
2002	4.554763439825038
2003	-3.774761750136264
2004	0.7293446392294243
2005	13.075850863062314
2006	9.703722392312315
2007	7.35157657921981
2008	4.738146914459023
2009	0.9074898232437505
2010	8.361320520142314
2011	2.873469539269749
2012	2.631787734078287
2013	4.05158917027903
2014	6.945453602902546
2015	7.58809586307963
2016	6.4117871266454785
2017	4.222305744727379
2018	7.504305121157046
2019	4.733687814679129
2020	-6.771032013455709
2021	12.402484107171261
2022	6.09295876555629
2023	1.597826188965442