Year	Percent
1961-01-01	11.616492146899000
1962-01-01	-1.341248901205310
1963-01-01	0.943466310460205
1964-01-01	0.618192522743686
1965-01-01	2.611176126330110
1966-01-01	4.191317984056700
1967-01-01	2.291851953494550
1968-01-01	5.350454788678800
1969-01-01	4.450228542233240
1970-01-01	8.205190543107220
1971-01-01	-0.443745436275710
1972-01-01	0.310313698883862
1973-01-01	11.102986669822900
1974-01-01	17.359388447064800
1975-01-01	11.444223967011300
1976-01-01	12.076640216956600
1977-01-01	27.421861509147600
1978-01-01	13.242986854592700
1979-01-01	16.342356573625200
1980-01-01	14.700981299786500
1981-01-01	8.799210833087770
1982-01-01	7.583125896421490
1983-01-01	5.640428433421280
1984-01-01	4.284761103618720
1985-01-01	1.863803271506230
1986-01-01	9.682954731165150
1987-01-01	6.943306265365720
1988-01-01	6.930686172065190
1989-01-01	1.049518237903820
1990-01-01	-0.805879698278030
1991-01-01	1.683348498634770
1992-01-01	4.231383828699690
1993-01-01	2.164714539767540
1994-01-01	26.081571994716100
1995-01-01	14.295069085194500
1996-01-01	2.480806691875510
1997-01-01	4.020833333333020
1998-01-01	4.611447595153780
1999-01-01	0.702375805955979
2000-01-01	2.530775167379910
2001-01-01	4.361529140072570
2002-01-01	3.077264851574300
2003-01-01	3.296807469742100
2004-01-01	1.457988356007410
2005-01-01	3.885830398864790
2006-01-01	2.467191485969130
2007-01-01	1.892006293495970
2008-01-01	6.308527691525820
2009-01-01	1.019504577311340
2010-01-01	1.226456121354800
2011-01-01	4.912433950524590
2012-01-01	1.304511199155970
2013-01-01	2.581170372529390
2014-01-01	0.448682076766153
2015-01-01	1.251499547814710
2016-01-01	0.723178457513278
2017-01-01	0.685881065304644