Year	Percent Change at Annual Rate
1961-01-01	1.157981247298890
1962-01-01	1.180150514234210
1963-01-01	1.174923366361630
1964-01-01	1.149553990018350
1965-01-01	1.102200682694710
1966-01-01	0.952734105185286
1967-01-01	0.916626967099575
1968-01-01	0.872660421363761
1969-01-01	0.847740433970316
1970-01-01	0.768834857712591
1971-01-01	0.766891384614283
1972-01-01	0.834905310838337
1973-01-01	0.807145373560701
1974-01-01	0.771743651137498
1975-01-01	0.739299489520121
1976-01-01	0.717516779275854
1977-01-01	0.680158692649087
1978-01-01	0.668832216720318
1979-01-01	0.667204354918411
1980-01-01	0.686330761130179
1981-01-01	0.664811112427060
1982-01-01	0.595295806609670
1983-01-01	0.566158463882772
1984-01-01	0.588312618683446
1985-01-01	0.598255550129196
1986-01-01	0.612136538094148
1987-01-01	0.614553959285757
1988-01-01	0.615957626110045
1989-01-01	0.617722654959366
1990-01-01	0.523059571873958
1991-01-01	0.395065436631569
1992-01-01	0.411079922359050
1993-01-01	0.365473588984443
1994-01-01	0.229963221063542
1995-01-01	0.190682232152966
1996-01-01	0.151788481210886
1997-01-01	0.170235340189365
1998-01-01	0.130787026759151
1999-01-01	0.132959623476296
2000-01-01	0.107267162477825
2001-01-01	0.152097852868110
2002-01-01	0.183095921543014
2003-01-01	0.261303185448284
2004-01-01	0.296624504778137
2005-01-01	0.302387011247234
2006-01-01	0.307291961836427
2007-01-01	0.356746345335040
2008-01-01	0.398401877800652
2009-01-01	0.411126932397039
2010-01-01	0.386712359561187
2011-01-01	0.234230408952342
2012-01-01	0.401876176130742
2013-01-01	0.469607027124127
2014-01-01	0.471887812284663
2015-01-01	0.476465801187075
2016-01-01	0.469469125431374
2017-01-01	0.423334421013720