Official Bank Rate history
Date Changed	Official Bank Rate			From 1975/1/20 to Present
20-Jan-75	11.25
27-Jan-75	11
10-Feb-75	10.75
17-Feb-75	10.5
10-Mar-75	10.25
24-Mar-75	10
21-Apr-75	9.75
05-May-75	10
28-Jul-75	11
・・・
04-Feb-99	5.5
08-Apr-99	5.25
10-Jun-99	5
08-Sep-99	5.25
04-Nov-99	5.5
13-Jan-00	5.75
10-Feb-00	6
08-Feb-01	5.75
05-Apr-01	5.5
10-May-01	5.25
02-Aug-01	5
18-Sep-01	4.75
04-Oct-01	4.5
08-Nov-01	4
06-Feb-03	3.75
10-Jul-03	3.5
06-Nov-03	3.75
05-Feb-04	4
06-May-04	4.25
10-Jun-04	4.5
05-Aug-04	4.75
04-Aug-05	4.5
03-Aug-06	4.75
09-Nov-06	5
11-Jan-07	5.25
10-May-07	5.5
05-Jul-07	5.75
06-Dec-07	5.5
07-Feb-08	5.25
10-Apr-08	5
08-Oct-08	4.5
06-Nov-08	3
04-Dec-08	2
08-Jan-09	1.5
05-Feb-09	1
05-Mar-09	0.5