Annual Ratio
1971-01-01 0.672599971294403
1972-01-01 0.791499972343445
1973-01-01 0.925159990787506
1974-01-01 1.152060031890870
1975-01-01 1.201200008392330
1976-01-01 1.387169957160950
1977-01-01 1.235839962959290
1978-01-01 1.208359956741330
1979-01-01 1.150429964065550
1980-01-01 1.179739952087400
1981-01-01 1.128880023956300
1982-01-01 1.079890012741090
1983-01-01 1.021759986877440
1984-01-01 0.975880026817322
1985-01-01 0.944199979305267
1986-01-01 0.944480001926422
1987-01-01 1.234269976615910
1988-01-01 1.212159991264340
1989-01-01 1.260560035705570
1990-01-01 1.274930000305180
1991-01-01 1.203299999237060
1992-01-01 1.193979978561400
1993-01-01 1.123309969902040
1994-01-01 1.035560011863710
1995-01-01 0.972440004348755
1996-01-01 0.941810011863709
1998-01-01 1.062119960784910
1999-01-01 1.081779956817630
2000-01-01 1.073590040206910
2001-01-01 1.110960006713870
2002-01-01 1.073819994926450
2003-01-01 0.996209979057312
2004-01-01 0.916930019855499
2005-01-01 0.937950015068054
2006-01-01 1.013569951057430
2007-01-01 1.260939955711360
2008-01-01 1.264999985694890
2009-01-01 1.180609941482540
2010-01-01 1.041059970855710
2011-01-01 0.916750013828278
2012-01-01 1.366969943046570
2013-01-01 1.499369978904720
2014-01-01 1.384160041809080
2015-01-01 1.263939976692200
2016-01-01 1.173799991607670