Year	annual %
1961	10.312211253222332
1962	13.783146339627978
1963	8.83765982188716
1964	11.882809441025238
1965	6.945814375273487
1966	7.406580982998035
1967	7.881943963412015
1968	11.973964618620519
1969	14.23395741855751
1970	10.268376892037688
1971	10.99693265506362
1972	10.565072284315574
1973	5.180482522821566
1974	-17.050726988112004
1975	7.524843374108742
1976	9.012641415459337
1977	6.753983276406579
1978	11.284493417209006
1979	9.516949204275607
1980	0.48048248914455166
1981	8.378220952417275
1982	18.581855779937463
1983	3.8878409468060307
1984	13.764864258528908
1985	4.171186273543044
1986	3.3338241687351875
1987	10.569762194770254
1988	5.424529749301912
1989	6.283181204303078
1990	0.8347140255507935
1991	2.331051077802191
1992	2.5969648553821
1993	8.89797734439469
1994	4.156135383212026
1995	4.6060794044665005
1996	9.566716085989622
1997	6.6242062551600505
1998	5.098236747345548
1999	13.279920220837369
2000	-16.93052680330898
2001	3.913258990922646
2002	5.732114698926603
2003	8.359130168892825
2004	2.850233180298748
2005	6.887698047239435
2006	4.606067620874958
2007	3.3290170768278484
2008	4.0189702380963945
2009	7.605757061045501
2010	5.501184989208002
2011	11.22888146405719
2012	13.00498116198789
2013	4.07568743554397
2014	4.569954797041397
2015	0.0794145151533264
2016	3.3073869750755756