date,value
1989-07-01,60.8
1989-10-01,60.9
1990-01-01,60.5
1990-04-01,60.5
1990-07-01,59.8
1990-10-01,60.1
1991-01-01,60.300000000000004
1991-04-01,60.1
1991-07-01,59.800000000000004
1991-10-01,60.1
1992-01-01,59.699999999999996
1992-04-01,59.6
1992-07-01,59.3
1992-10-01,59.7
1993-01-01,60.2
1993-04-01,60.2
1993-07-01,60.2
1993-10-01,60.5
1994-01-01,60.6
1994-04-01,60.6
1994-07-01,60.6
1994-10-01,60.8
1995-01-01,61.1
1995-04-01,60.900000000000006
1995-07-01,61.2
1995-10-01,61.4
1996-01-01,61.6
1996-04-01,61.5
1996-07-01,61.4
1996-10-01,61.6
1997-01-01,61.6
1997-04-01,61.9
1997-07-01,62.2
1997-10-01,62.4
1998-01-01,62.900000000000006
1998-04-01,63.0
1998-07-01,62.2
1998-10-01,63.2
1999-01-01,63.0
1999-04-01,63.2
1999-07-01,63.0
1999-10-01,63.8
2000-01-01,63.8
2000-04-01,63.3
2000-07-01,63.2
2000-10-01,62.599999999999994
2001-01-01,61.7
2001-04-01,62.0
2001-07-01,61.2
2001-10-01,61.7
2002-01-01,61.7
2002-04-01,61.60000000000001
2002-07-01,60.900000000000006
2002-10-01,61.0
2003-01-01,61.0
2003-04-01,61.8
2003-07-01,62.1
2003-10-01,62.6
2004-01-01,63.1
2004-04-01,63.0
2004-07-01,63.400000000000006
2004-10-01,63.7
2005-01-01,63.7
2005-04-01,64.1
2005-07-01,64.2
2005-10-01,64.2
2006-01-01,65.1
2006-04-01,65.0
2006-07-01,65.2
2006-10-01,65.7
2007-01-01,66.2
2007-04-01,66.5
2007-07-01,67.0
2007-10-01,67.1
2008-01-01,67.1
2008-04-01,67.1
2008-07-01,66.9
2008-10-01,66.4
2009-01-01,66.3
2009-04-01,66.69999999999999
2009-07-01,67.4
2009-10-01,67.6
2010-01-01,67.9
2010-04-01,67.9
2010-07-01,68.4
2010-10-01,68.8
2011-01-01,69.1
2011-04-01,69.1
2011-07-01,68.5
2011-10-01,68.80000000000001
2012-01-01,69.1
2012-04-01,69.0
2012-07-01,69.1
2012-10-01,68.8
2013-01-01,69.0
2013-04-01,68.8
2013-07-01,68.69999999999999
2013-10-01,69.0
2014-01-01,69.3
2014-04-01,69.5
2014-07-01,69.5
2014-10-01,69.8
2015-01-01,69.8
2015-04-01,70.0
2015-07-01,69.69999999999999
2015-10-01,69.6
2016-01-01,69.69999999999999
2016-04-01,69.9
2016-07-01,69.9
2016-10-01,69.8
2017-01-01,69.8
2017-04-01,69.9
2017-07-01,69.9
2017-10-01,70.0
2018-01-01,69.8
2018-04-01,69.8
2018-07-01,70.0
2018-10-01,69.5
2019-01-01,70.2
2019-04-01,69.9
2019-07-01,69.9
2019-10-01,69.9
2020-01-01,68.3
2020-04-01,68.5
2020-07-01,68.4
2020-10-01,68.69999999999999
2021-01-01,68.4
2021-04-01,68.3
2021-07-01,68.0
2021-10-01,68.10000000000001
2022-01-01,67.19999999999999
2022-04-01,65.9
2022-07-01,65.69999999999999
2022-10-01,66.2
2023-01-01,66.5
2023-04-01,66.4
2023-07-01,66.19999999999999
2023-10-01,66.7
2024-01-01,66.9
2024-04-01,66.8
2024-07-01,67.2
2024-10-01,67.4
2025-01-01,67.2
2025-04-01,67.5
2025-07-01,68.0
2025-10-01,68.3
2026-01-01,68.1
2026-04-01,68.9