| january 1987 - december 1986 |
2.15 % |
|
january 1987 - january 1986 |
23.87 % |
| february 1987 - january 1987 |
0.96 % |
|
february 1987 - february 1986 |
23.04 % |
| march 1987 - february 1987 |
1.31 % |
|
march 1987 - march 1986 |
22.77 % |
| april 1987 - march 1987 |
2.23 % |
|
april 1987 - april 1986 |
21.48 % |
| may 1987 - april 1987 |
0.63 % |
|
may 1987 - may 1986 |
20.32 % |
| june 1987 - may 1987 |
0.97 % |
|
june 1987 - june 1986 |
19.51 % |
| july 1987 - june 1987 |
0.23 % |
|
july 1987 - july 1986 |
19.78 % |
| august 1987 - july 1987 |
1.24 % |
|
august 1987 - august 1986 |
19.97 % |
| september 1987 - august 1987 |
0.95 % |
|
september 1987 - september 1986 |
18.81 % |
| october 1987 - september 1987 |
1.54 % |
|
october 1987 - october 1986 |
17.86 % |
| november 1987 - october 1987 |
1.58 % |
|
november 1987 - november 1986 |
16.37 % |
| december 1987 - november 1987 |
1.28 % |
|
december 1987 - december 1986 |
16.13 % |