Quarterly Percent
1982-01-01 14.20
1982-04-01 12.50
1982-07-01 11.10
1982-10-01 11.60
1983-01-01 12.66
1983-04-01 11.57
1983-07-01 11.54
1983-10-01 12.74
1984-01-01 13.47
1984-04-01 12.04
1984-07-01 12.09
1984-10-01 12.36
1985-01-01 11.34
1985-04-01 12.77
1985-07-01 11.90
1985-10-01 12.17
1986-01-01 13.49
1986-04-01 14.40
1986-07-01 14.37
1986-10-01 17.97
1987-01-01 14.20
1987-04-01 14.27
1987-07-01 14.04
1987-10-01 14.21
1988-01-01 13.93
1988-04-01 13.14
1988-07-01 12.81
1988-10-01 12.09
1989-01-01 11.39
1989-04-01 10.71
1989-07-01 11.15
1989-10-01 12.42
1990-01-01 12.62
1990-04-01 11.49
1990-07-01 10.89
1990-10-01 11.53
1991-01-01 10.51
1991-04-01 11.63
1991-07-01 10.59
1991-10-01 11.00
1992-01-01 10.12
1992-04-01 10.22
1992-07-01 31.72
1992-10-01 22.94
1993-01-01 8.82
1993-04-01 7.40
1993-07-01 6.29
1993-10-01 6.42
1994-01-01 5.37
1994-04-01 4.98
1994-07-01 5.62
1994-10-01 6.58
1995-01-01 4.99
1995-04-01 5.96
1995-07-01 5.60
1995-10-01 6.65
1996-01-01 5.16
1996-04-01 4.98
1996-07-01 4.95
1996-10-01 4.15
1997-01-01 3.48
1997-04-01 3.50
1997-07-01 3.70
1997-10-01 3.69
1998-01-01 4.01
1998-04-01 4.65
1998-07-01 8.23
1998-10-01 8.83
1999-01-01 7.73
1999-04-01 6.99
1999-07-01 6.34
1999-10-01 5.92
2000-01-01 5.87
2000-04-01 6.45
2000-07-01 7.08
2000-10-01 7.62
2001-01-01 7.34
2001-04-01 7.37
2001-07-01 7.30
2001-10-01 7.11
2002-01-01 6.74
2002-04-01 6.85
2002-07-01 7.21
2002-10-01 7.01
2003-01-01 5.78
2003-04-01 5.07
2003-07-01 3.11
2003-10-01 2.84
2004-01-01 2.14
2004-04-01 2.19
2004-07-01 2.07
2004-10-01 2.06
2005-01-01 2.06
2005-04-01 2.11
2005-07-01 2.31
2005-10-01 2.63
2006-01-01 2.65
2006-04-01 3.15
2006-07-01 3.32
2006-10-01 3.78
2007-01-01 4.27
2007-04-01 4.60
2007-07-01 5.15
2007-10-01 5.54
2008-01-01 5.77
2008-04-01 5.99
2008-07-01 6.26
2008-10-01 4.76
2009-01-01 2.69
2009-04-01 1.75
2009-07-01 1.47
2009-10-01 1.83
2010-01-01 1.96
2010-04-01 2.28
2010-07-01 2.30
2010-10-01 2.08
2011-01-01 2.22
2011-04-01 2.56
2011-07-01 2.69
2011-10-01 1.98
2012-01-01 1.61
2012-04-01 1.56
2012-07-01 1.49
2012-10-01 1.54
2013-01-01 1.55
2013-04-01 1.48
2013-07-01 1.50
2013-10-01 1.55
2014-01-01 1.48
2014-04-01 1.49
2014-07-01 1.50
2014-10-01 1.35
2015-01-01 1.28
2015-04-01 1.15
2015-07-01 0.94
2015-10-01 0.81
2016-01-01 0.67
2016-04-01 0.49
2016-07-01 0.57
2016-10-01 0.51
2017-01-01 0.49
2017-04-01 0.49
2017-07-01 0.51
2017-10-01 0.49
2018-01-01 0.49
2018-04-01 0.50
2018-07-01 0.59