Month 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