Monthly Percent
1988-03-31 -7.7
1988-04-30 49.4
1988-05-31 15.5
1988-06-30 -2.5
1988-07-31 -2.5
1988-08-31 22.5
1988-09-30 47.5
1988-10-31 47.5
1988-11-30 13.1
1988-12-31 53.8
1989-01-31 140
1989-02-28 140
1989-03-31 325
1989-04-30 36.2
1989-05-31 48
1989-06-30 94.9
1989-07-31 165.8
1989-08-31 125.2
1989-09-30 104.5
1989-10-31 132.8
1989-11-30 180.3
1989-12-31 119.5
1990-01-31 76.7
1990-02-28 76.7
1990-03-31 125.1
1990-04-30 304
1990-05-31 263.8
1990-06-30 237.3
1990-07-31 138.3
1990-08-31 113.3
1990-09-30 92
1990-10-31 56.6
1990-11-30 56.6
1990-12-31 48.1
1991-01-31 104
1991-02-28 151.2
1991-03-31 68.1
1991-04-30 33
1991-05-31 72.5
1991-06-30 56.7
1991-07-31 62.6
1991-08-31 68.6
1991-09-30 83.5
1991-10-31 105.4
1991-11-30 148.8
1991-12-31 139.2
1992-01-31 65.3
1992-02-29 34.3
1992-03-31 43
1992-04-30 62.9
1992-05-31 39.4
1992-06-30 51
1992-07-31 50.6
1992-08-31 73.5
1992-09-30 70.6
1992-10-31 61.9
1992-11-30 31.5
1992-12-31 50.4
1993-01-31 55.5
1993-02-28 49.2
1993-03-31 64.3
1993-04-30 54.3
1993-05-31 30.6
1993-06-30 27.3
1993-07-31 31.8
1993-08-31 18.3
1993-09-30 1.1
1993-10-31 5
1993-11-30 8.2
1993-12-31 27
1994-01-31 38.3
1994-02-28 48.4
1994-03-31 47
1994-04-30 34.9
1994-05-31 52.7
1994-06-30 29.9
1994-07-31 34.6
1994-08-31 19.9
1994-09-30 34.1
1994-10-31 36.4
1994-11-30 42.3
1994-12-31 -15.6
1995-01-31 -11.1
1995-02-28 -15.2
1995-03-31 -20.4
1995-04-30 -2.9
1995-05-31 -10.1
1995-06-30 7.2
1995-07-31 -5.5
1995-08-31 17.3
1995-09-30 26
1995-10-31 38.8
1995-11-30 31.3
1995-12-31 65.7
1996-01-31 40
1996-02-29 42.6
1996-03-31 93.4
1996-04-30 67.6
1996-05-31 76.7
1996-06-30 52
1996-07-31 65.3
1996-08-31 46.7
1996-09-30 33
1996-10-31 0.6
1996-11-30 -6.4
1996-12-31 5.7
1997-01-31 25.2
1997-02-28 26.5
1997-03-31 -36.5
1997-04-30 -30.4
1997-05-31 -29.7
1997-06-30 -22.9
1997-07-31 -26.8
1997-08-31 -23.9
1997-09-30 -22.4
1997-10-31 -8.3
1997-11-30 11.2
1997-12-31 -10.3
1998-01-31 -7.7
1998-02-28 -12.5
1998-03-31 40.7
1998-04-30 25.9
1998-05-31 0.7
1998-06-30 -11.4
1998-07-31 -11.1
1998-08-31 3.7
1998-09-30 15.8
1998-10-31 7.8
1998-11-30 -6.8
1998-12-31 13.8
1999-01-31 -13.8
1999-02-28 -10.4
1999-03-31 -24.9
1999-04-30 -30.8
1999-05-31 -15.5
1999-06-30 -7.9
1999-07-31 -8.8
1999-08-31 -56.6
1999-09-30 -75
1999-10-31 -75
1999-11-30 -86.5
1999-12-31 -95.2
2000-01-31 -0.7
2000-02-29 -11.7
2000-03-31 8.9
2000-04-30 39.7
2000-05-31 51.6
2000-06-30 66.4
2000-07-31 83.1
2000-08-31 232.2
2000-09-30 415.9
2000-10-31 474.6
2000-11-30 960.9
2000-12-31 2721.4
2001-01-31 59.1
2001-02-28 99.9
2001-03-31 67
2001-04-30 37.2
2001-05-31 23.4
2001-06-30 17
2001-07-31 9.7
2001-08-31 15.3
2001-09-30 15.7
2001-10-31 3.3
2001-11-30 6.9
2001-12-31 -4.2
2002-01-31 2.9
2002-02-28 -8.7
2002-03-31 10.1
2002-04-30 22.2
2002-05-31 33.9
2002-06-30 26.8
2002-07-31 57.4
2002-08-31 35.1
2002-09-30 51.5
2002-10-31 62.9
2002-11-30 62.2
2002-12-31 91.8
2003-01-31 109.8
2003-02-28 113.1
2003-03-31 93
2003-04-30 113.6
2003-05-31 99.5
2003-06-30 96.2
2003-07-31 39.4
2003-08-31 49.5
2003-09-30 20.9
2003-10-31 14
2003-11-30 28.8
2003-12-31 31.5
2004-01-31 -3.7
2004-02-29 -0.7
2004-03-31 -9.9
2004-04-30 -41.8
2004-05-31 -45
2004-06-30 -42.3
2004-07-31 -34.6
2004-08-31 -37.1