Quarterly Percent
1987-12-31 15.9
1988-03-31 -16.1
1988-06-30 -5.2
1988-09-30 -13.4
1988-12-31 17.2
1989-03-31 18.1
1989-06-30 -11.3
1989-09-30 1.6
1989-12-31 -20.7
1990-03-31 -2.6
1990-06-30 2
1990-09-30 8.9
1990-12-31 29.9
1991-03-31 46.2
1991-06-30 41.1
1991-09-30 46.4
1991-12-31 42
1992-03-31 26.1
1992-06-30 29.5
1992-09-30 25.8
1992-12-31 32.5
1993-03-31 56.6
1993-06-30 68.4
1993-09-30 91.8
1993-12-31 89.2
1994-03-31 27
1994-06-30 6.1
1994-09-30 9.8
1994-12-31 -7
1995-03-31 18.2
1995-06-30 37.9
1995-09-30 3
1995-12-31 23.2
1996-03-31 36.6
1996-06-30 36.1
1996-09-30 55.4
1996-12-31 14.6
1997-03-31 30.8
1997-06-30 27.5
1997-09-30 9.3
1997-12-31 31.5
1998-03-31 12.6
1998-06-30 -1.3
1998-09-30 28.1
1998-12-31 -16.9
1999-03-31 7.2
1999-06-30 4.9
1999-09-30 -1.7
1999-12-31 43.4
2000-03-31 17.4
2000-06-30 31.7
2000-09-30 3.8
2000-12-31 11.4
2001-03-31 14.6
2001-06-30 -21.5
2001-09-30 14.3
2001-12-31 0.2
2002-03-31 -17.8
2002-06-30 21.3
2002-09-30 -20.5
2002-12-31 -34.8
2003-03-31 -36.3
2003-06-30 -38.6
2003-09-30 -13.2
2003-12-31 19.6
2004-03-31 23.1
2004-06-30 -3.7
2004-09-30 -11.1
2004-12-31 -11.6
2005-03-31 -28.9
2005-06-30 15.7
2005-09-30 1.6
2005-12-31 -5.7
2006-03-31 12.7
2006-06-30 10.3
2006-09-30 37.6
2006-12-31 9.6
2007-03-31 57.3
2007-06-30 38.8
2007-09-30 18.4
2007-12-31 41.7
2008-03-31 -29.4
2008-06-30 -35.8
2008-09-30 -34.3
2008-12-31 -10.9
2009-03-31 13.6
2009-06-30 -24.8
2009-09-30 -11.1
2009-12-31 -3.5
2010-03-31 12.4
2010-06-30 85.6
2010-09-30 49.9
2010-12-31 4.8
2011-03-31 8.2
2011-06-30 -14.3
2011-09-30 33.4
2011-12-31 35.7
2012-03-31 50.1
2012-06-30 72.5
2012-09-30 -0.4
2012-12-31 -7.7
2013-03-31 -34
2013-06-30 -28.3
2013-09-30 -30.3
2013-12-31 -9.5
2014-03-31 6.7
2014-06-30 26
2014-09-30 28.9
2014-12-31 1.6
2015-03-31 -2.7
2015-06-30 -21.6
2015-09-30 14.2
2015-12-31 15.7
2016-03-31 24.1
2016-06-30 31.5
2016-09-30 -10.5
2016-12-31 -12.2
2017-03-31 -29.1
2017-06-30 -27.3
2017-09-30 -12.5
2017-12-31 7.1
2018-03-31 31.9
2018-06-30 16.6
2018-09-30 -3
2018-12-31 -17.7
2019-03-31 -34.3
2019-06-30 -24.3
2019-09-30 12.9
2019-12-31 37
2020-03-31 74.8
2020-06-30 82.1
2020-09-30 2
2020-12-31 -1.7
2021-03-31 -34.1
2021-06-30 7.3
2021-09-30 7.7
2021-12-31 9.9
2022-03-31 128.4
2022-06-30 -19.4
2022-09-30 55.5
2022-12-31 5.3
2023-03-31 -44.2
2023-06-30 -20
2023-09-30 -25.8
2023-12-31 43.9