Year	Percent Change at Annual Rate
1961-01-01	1.504801673627650
1962-01-01	1.312129794320740
1963-01-01	1.284886282404800
1964-01-01	1.254596690440080
1965-01-01	1.191161314636530
1966-01-01	1.100653027282280
1967-01-01	1.042225803473810
1968-01-01	0.916923051277976
1969-01-01	1.108350507396880
1970-01-01	0.986213843891434
1971-01-01	1.051232389729590
1972-01-01	1.059099874930890
1973-01-01	0.952098779244452
1974-01-01	1.061888711176850
1975-01-01	0.992042275082966
1976-01-01	0.823558334954086
1977-01-01	0.840596767747655
1978-01-01	0.841126924911165
1979-01-01	0.873573081273534
1980-01-01	0.847390847869860
1981-01-01	0.842809371388810
1982-01-01	0.795419211937798
1983-01-01	0.745731939588978
1984-01-01	0.704906211955361
1985-01-01	0.703670055655635
1986-01-01	0.727805107892721
1987-01-01	0.720813729078017
1988-01-01	0.730244956259327
1989-01-01	0.767015465823206
1990-01-01	0.805795199368703
1991-01-01	0.816028124899844
1992-01-01	0.655709206521180
1993-01-01	0.816188990582603
1994-01-01	0.744308722119442
1995-01-01	0.880247251584649
1996-01-01	0.696584784315093
1997-01-01	0.693500002851110
1998-01-01	0.654734239126029
1999-01-01	0.657625480613461
2000-01-01	0.632447935585660
2001-01-01	0.683839568937827
2002-01-01	0.682718549874224
2003-01-01	0.677135114823415
2004-01-01	0.704659130695234
2005-01-01	0.714167702787933
2006-01-01	0.758324502248371
2007-01-01	0.795260653238699
2008-01-01	0.836624508090182
2009-01-01	0.746886927462171
2010-01-01	0.671513608271937
2011-01-01	0.487501938959582
2012-01-01	0.616516998595145
2013-01-01	0.618684945878428
2014-01-01	0.627685011514117
2015-01-01	0.611316107539324
2016-01-01	0.601238080518442
2017-01-01	0.557797778045227