Year	annual %
1961	5.064449087864475
1962	3.1099590685684575
1963	-0.2641190254735477
1964	4.42103332668367
1965	2.7524317131867804
1966	0.18837671387154842
1967	23.629185081942737
1968	5.750729916292059
1969	5.301961401866961
1970	7.8840033593083945
1971	3.4401246860209085
1972	7.9763834574840615
1973	6.529533039752948
1974	10.656092861306604
1975	5.990072824354627
1976	19.674443513324206
1977	5.884773833660546
1978	3.409806634348996
1979	12.85276675004765
1980	14.245894646192127
1981	8.800193826331508
1982	12.481951453096357
1983	12.763071930470034
1984	13.552191792170689
1985	11.187127883431785
1986	0.17923568387799094
1987	-2.392309146321651
1988	0.8138986653593037
1989	-1.819083163379787
1990	1.6430984309149466
1991	3.568713529573614
1992	-1.2776710293542664
1993	55.7553793703876
1994	5.882472347036028
1995	6.634514037108843
1996	0.410559080515867
1997	6.163811054507789
1998	1.065869878260301
1999	2.187788500651749
2000	1.5315629586796433
2001	2.4693589147144763
2002	2.774492849538973
2003	1.9529144491334165
2004	0.13948783480724103
2005	1.3571419590405327
2006	2.2996749778616277
2007	0.49070803470594626
2008	4.9405368116780295
2009	3.6035151841818873
2010	0.6881870827776453
2011	2.589044247478938
2012	1.9422853638882316
2013	3.053459169250374
2014	2.0142126302225734
2015	0.30979167778053807
2016	0.6618089771558857
2017	1.0251411606625283
2018	1.8969916226624832
2019	1.169771819115411
2020	0.7055720376217209
2021	2.878931617417038
2022	5.336612004583515
2023	2.726009550640171