Year	Percent Change at Annual Rate
1960-01-01	1.952179064470610
1961-01-01	1.315294588232280
1962-01-01	1.424475067399080
1963-01-01	1.348491964604800
1964-01-01	1.337781332082090
1965-01-01	1.372661105123450
1966-01-01	1.305170730801040
1967-01-01	1.133144072598930
1968-01-01	1.038546961107390
1969-01-01	1.157969108926030
1970-01-01	1.238932661327800
1971-01-01	1.189133542894380
1972-01-01	1.011172850333740
1973-01-01	0.827331016213766
1974-01-01	0.783672250146890
1975-01-01	0.891389955359838
1976-01-01	0.784993389027855
1977-01-01	0.594626000826161
1978-01-01	0.615264576886905
1979-01-01	0.690282251587051
1980-01-01	0.791331808142327
1981-01-01	0.686046797960410
1982-01-01	0.458559864217281
1983-01-01	0.379222595794250
1984-01-01	0.396933189768028
1985-01-01	0.466326519882431
1986-01-01	0.554957725760648
1987-01-01	0.634526879264155
1988-01-01	0.646096227552241
1989-01-01	0.599907213056180
1990-01-01	0.688603823438797
1991-01-01	0.788031035375139
1992-01-01	0.756056593396787
1993-01-01	0.696991330125143
1994-01-01	0.602938474274189
1995-01-01	0.493927372514930
1996-01-01	0.461395747607711
1997-01-01	0.514767002117464
1998-01-01	0.616640530679659
1999-01-01	0.665493187073143
2000-01-01	0.714770362784392
2001-01-01	0.754840057734904
2002-01-01	0.638291666268526
2003-01-01	0.471814398788212
2004-01-01	0.347475412048658
2005-01-01	0.233663147938540
2006-01-01	0.160613668857538
2007-01-01	0.217521601194242
2008-01-01	0.389292461499527
2009-01-01	0.514284544827762
2010-01-01	0.512923100553586
2011-01-01	0.466428782200821
2012-01-01	0.370055034770235
2013-01-01	0.294820793441482
2014-01-01	0.359828172726548
2015-01-01	0.443220089035769
2016-01-01	0.532178879608489
2017-01-01	0.600297419284211