Monthly Percent
1991-06-30 86.1
1991-07-31 100.5
1991-08-31 117.6
1991-09-30 159
1991-10-31 163.9
1991-11-30 174.1
1991-12-31 123.2
1992-01-31 101
1992-02-29 149.6
1992-03-31 171.6
1992-04-30 222.9
1992-05-31 159.9
1992-06-30 144.6
1992-07-31 160.9
1992-08-31 134.3
1992-09-30 126.8
1992-10-31 120.5
1992-11-30 122.9
1992-12-31 191.6
1993-01-31 162.3
1993-02-28 180.9
1993-03-31 191
1993-04-30 224.2
1993-05-31 227.4
1993-06-30 194.3
1993-07-31 178.9
1993-08-31 193.5
1993-09-30 186.7
1993-10-31 221.2
1993-11-30 202.9
1993-12-31 140.2
1994-01-31 135.5
1994-02-28 121.9
1994-03-31 106.5
1994-04-30 86.6
1994-05-31 95.8
1994-06-30 93.8
1994-07-31 79.8
1994-08-31 73.6
1994-09-30 74.3
1994-10-31 50.8
1994-11-30 49.9
1994-12-31 48.3
1995-01-31 51.2
1995-02-28 48.7
1995-03-31 41.9
1995-04-30 42.6
1995-05-31 36.9
1995-06-30 38.4
1995-07-31 38.4
1995-08-31 42.4
1995-09-30 40.5
1995-10-31 40
1995-11-30 37.1
1995-12-31 35.5
1996-01-31 33.2
1996-02-29 32
1996-03-31 31.7
1996-04-30 29.4
1996-05-31 32
1996-06-30 29.6
1996-07-31 33.5
1996-08-31 26.3
1996-09-30 29
1996-10-31 33.7
1996-11-30 35.3
1996-12-31 33.4
1997-01-31 35.4
1997-02-28 42.6
1997-03-31 51.4
1997-04-30 55
1997-05-31 65
1997-06-30 66.9
1997-07-31 70
1997-08-31 80.6
1997-09-30 79.7
1997-10-31 72.6
1997-11-30 70
1997-12-31 66.1
1998-01-31 62.9
1998-02-28 54.3
1998-03-31 54.8
1998-04-30 58.4
1998-05-31 49.3
1998-06-30 49
1998-07-31 44.6
1998-08-31 39.6
1998-09-30 36.7
1998-10-31 46.8
1998-11-30 55.5
1998-12-31 67.3
1999-01-31 66.1
1999-02-28 61.4
1999-03-31 52.4
1999-04-30 49.9
1999-05-31 47.6
1999-06-30 49.7
1999-07-31 53
1999-08-31 55.2
1999-09-30 59.4
1999-10-31 52
1999-11-30 44.5
1999-12-31 41.6
2000-01-31 39.9
2000-02-29 43.9
2000-03-31 46.9
2000-04-30 40.4
2000-05-31 39.7
2000-06-30 35.2
2000-07-31 30.3
2000-08-31 35.3
2000-09-30 35.4
2000-10-31 36.6
2000-11-30 39.6
2000-12-31 40.5
2001-01-31 42.9
2001-02-28 42.3
2001-03-31 36.7
2001-04-30 38.2
2001-05-31 41.5
2001-06-30 43.7
2001-07-31 44
2001-08-31 36
2001-09-30 33.1
2001-10-31 30.2
2001-11-30 27
2001-12-31 25.5
2002-01-31 25
2002-02-28 21.4
2002-03-31 22
2002-04-30 23.2
2002-05-31 22.7
2002-06-30 18.4
2002-07-31 18.5
2002-08-31 18.8
2002-09-30 17.2
2002-10-31 18.4
2002-11-30 18
2002-12-31 17.1
2003-01-31 15.9
2003-02-28 16.3
2003-03-31 17.6
2003-04-30 15.3
2003-05-31 13.5
2003-06-30 16.7
2003-07-31 17.4
2003-08-31 17.4
2003-09-30 18.6
2003-10-31 19.1
2003-11-30 20.2
2003-12-31 19.8
2004-01-31 20.2
2004-02-29 19.8
2004-03-31 20.8
2004-04-30 21.5
2004-05-31 20.9
2004-06-30 20.3
2004-07-31 19.5
2004-08-31 18.9