| january 1991 - december 1990 |
0.00 % |
|
january 1991 - january 1990 |
7.14 % |
| february 1991 - january 1991 |
0.54 % |
|
february 1991 - february 1990 |
7.10 % |
| march 1991 - february 1991 |
0.27 % |
|
march 1991 - march 1990 |
6.77 % |
| april 1991 - march 1991 |
3.37 % |
|
april 1991 - april 1990 |
8.50 % |
| may 1991 - april 1991 |
0.78 % |
|
may 1991 - may 1990 |
8.27 % |
| june 1991 - may 1991 |
0.52 % |
|
june 1991 - june 1990 |
8.38 % |
| july 1991 - june 1991 |
-0.26 % |
|
july 1991 - july 1990 |
8.40 % |
| august 1991 - july 1991 |
0.39 % |
|
august 1991 - august 1990 |
7.62 % |
| september 1991 - august 1991 |
0.51 % |
|
september 1991 - september 1990 |
7.13 % |
| october 1991 - september 1991 |
0.51 % |
|
october 1991 - october 1990 |
6.80 % |
| november 1991 - october 1991 |
0.38 % |
|
november 1991 - november 1990 |
7.07 % |
| december 1991 - november 1991 |
0.00 % |
|
december 1991 - december 1990 |
7.21 % |