| january 1988 - december 1987 |
0.18 % |
|
january 1988 - january 1987 |
2.36 % |
| february 1988 - january 1988 |
0.18 % |
|
february 1988 - february 1987 |
2.36 % |
| march 1988 - february 1988 |
0.30 % |
|
march 1988 - march 1987 |
2.53 % |
| april 1988 - march 1988 |
0.47 % |
|
april 1988 - april 1987 |
2.46 % |
| may 1988 - april 1988 |
0.23 % |
|
may 1988 - may 1987 |
2.52 % |
| june 1988 - may 1988 |
0.29 % |
|
june 1988 - june 1987 |
2.63 % |
| july 1988 - june 1988 |
0.35 % |
|
july 1988 - july 1987 |
2.74 % |
| august 1988 - july 1988 |
0.29 % |
|
august 1988 - august 1987 |
2.80 % |
| september 1988 - august 1988 |
0.23 % |
|
september 1988 - september 1987 |
2.97 % |
| october 1988 - september 1988 |
0.23 % |
|
october 1988 - october 1987 |
2.97 % |
| november 1988 - october 1988 |
0.12 % |
|
november 1988 - november 1987 |
2.96 % |
| december 1988 - november 1988 |
0.17 % |
|
december 1988 - december 1987 |
3.08 % |