Period in Effect |
% |
June 15, 2004 - |
13 |
January 15, 2004 - June 14, 2004 |
14 |
June 21, 2003 - January 14, 2004 |
16 |
February 17, 2003 - June 20, 2003 |
18 |
August 7, 2002 - February 16, 2003 |
21 |
April 9, 2002 - August 6, 2002 |
23 |
November 4, 2000 - April 8, 2002 |
25 |
July 10, 2000 - November 3, 2000 |
28 |
March 21, 2000 - July 9, 2000 |
33 |
March 7, 2000 - March 20, 2000 |
38 |
January 24, 2000 - March 6, 2000 |
45 |
June 10, 1999 - January 23, 2000 |
55 |
July 24, 1998 - June 9, 1999 |
60 |
June 29, 1998 - July 23, 1998 |
80 |
June 5, 1998 - June 28, 1998 |
60 |
May 27, 1998 - June 4, 1998 |
150 |
May 19, 1998 - May 26, 1998 |
50 |
March 16, 1998 - May 18, 1998 |
30 |
March 2, 1998 - March 15, 1998 |
36 |
February 17, 1998 - March 1, 1998 |
39 |
February 2, 1998 - February 16, 1998 |
42 |
November 11, 1997 - February 1, 1998 |
28 |
October 6, 1997 - November 10, 1997 |
21 |
June 16, 1997 - October 5, 1997 |
24 |
April 28, 1997 - June 15, 1997 |
36 |
February 10, 1997 - April 27, 1997 |
42 |
December 2, 1996 - February 9, 1997 |
48 |
October 21, 1996 - December 1, 1996 |
60 |
August 19, 1996 - October 20, 1996 |
80 |
July 24, 1996 - August 18, 1996 |
110 |
February 10, 1996 - July 23, 1996 |
120 |
December 1, 1995 - February 9, 1996 |
160 |
October 24, 1995 - November 30, 1995 |
170 |
June 19, 1995 - October 23, 1995 |
180 |
May 16, 1995 - June 18, 1995 |
195 |
January 6, 1995 - May 15, 1995 |
200 |
November 17, 1994 - January 5, 1995 |
180 |
October 12, 1994 - November 16, 1994 |
170 |
August 23, 1994 - October 11, 1994 |
130 |
August 1, 1994 - August 22, 1994 |
150 |
June 30, 1994 - July 31, 1994 |
155 |
June 22, 1994 - June 29, 1994 |
170 |
June 2, 1994 - June 21, 1994 |
185 |
May 17, 1994 - June 1, 1994 |
200 |
April 29, 1994 - May 16, 1994 |
205 |
October 15, 1993 - April 28, 1994 |
210 |
October 15, 1993 - April 28, 1994 |
210 |
September 23, 1993 - October 14, 1993 |
180 |
July 15, 1993 - September 22, 1993 |
170 |
June 29, 1993 - July 14, 1993 |
140 |
June 22, 1993 - June 28, 1993 |
120 |
June 2, 1993 - June 21, 1993 |
110 |
March 30, 1993 - June 1, 1993 |
100 |
May 23, 1992 - March 29, 1993 |
80 |
April 10, 1992 - May 22, 1992 |
50 |
January 1, 1991 - April 9, 1992 |
20 |