january 1991 - december 1990 |
2.55 % |
|
january 1991 - january 1990 |
27.11 % |
february 1991 - january 1991 |
1.75 % |
|
february 1991 - february 1990 |
26.46 % |
march 1991 - february 1991 |
1.43 % |
|
march 1991 - march 1990 |
26.04 % |
april 1991 - march 1991 |
1.05 % |
|
april 1991 - april 1990 |
25.45 % |
may 1991 - april 1991 |
0.98 % |
|
may 1991 - may 1990 |
24.51 % |
june 1991 - may 1991 |
1.05 % |
|
june 1991 - june 1990 |
23.10 % |
july 1991 - june 1991 |
0.88 % |
|
july 1991 - july 1990 |
21.97 % |
august 1991 - july 1991 |
0.70 % |
|
august 1991 - august 1990 |
20.76 % |
september 1991 - august 1991 |
1.00 % |
|
september 1991 - september 1990 |
20.25 % |
october 1991 - september 1991 |
1.16 % |
|
october 1991 - october 1990 |
19.92 % |
november 1991 - october 1991 |
2.48 % |
|
november 1991 - november 1990 |
19.72 % |
december 1991 - november 1991 |
2.35 % |
|
december 1991 - december 1990 |
18.79 % |