Year	Percent
1980-01-01	6.799999999000180
1981-01-01	8.520599251016240
1982-01-01	5.699999999999800
1983-01-01	2.743614000946140
1984-01-01	1.104972375700720
1985-01-01	1.912568306939230
1986-01-01	0.757575757575719
1987-01-01	2.685284640171890
1988-01-01	4.602510460250850
1989-01-01	3.300000000000160
1990-01-01	3.000968054211100
1991-01-01	4.417293233082540
1992-01-01	3.060306030603140
1993-01-01	-0.873362445414828
1994-01-01	1.321585903083770
1995-01-01	2.956521739130290
1996-01-01	4.904534606205320
1997-01-01	4.834489819133230
1998-01-01	2.951388888888900
1999-01-01	2.181703204047230
2000-01-01	1.650335224342340
2001-01-01	1.471334348046800
2002-01-01	0.239999999999942
2003-01-01	2.264565043894710
2004-01-01	6.799336650082790
2005-01-01	8.814395323346820
2006-01-01	11.835809619743100
2007-01-01	13.758162575996400
2008-01-01	15.050145157033300
2009-01-01	-4.863278016225630
2010-01-01	-2.425256751617120
2011-01-01	1.138366235292040
2012-01-01	2.315348534316610
2013-01-01	3.214236565058820
2014-01-01	3.351638736343860
2015-01-01	1.610185207582480
2016-01-01	2.872559911125200