january 1981 - december 1980 |
2.60 % |
|
january 1981 - january 1980 |
25.45 % |
february 1981 - january 1981 |
1.09 % |
|
february 1981 - february 1980 |
26.82 % |
march 1981 - february 1981 |
2.15 % |
|
march 1981 - march 1980 |
25.55 % |
april 1981 - march 1981 |
2.11 % |
|
april 1981 - april 1980 |
24.36 % |
may 1981 - april 1981 |
1.03 % |
|
may 1981 - may 1980 |
24.05 % |
june 1981 - may 1981 |
2.38 % |
|
june 1981 - june 1980 |
23.36 % |
july 1981 - june 1981 |
-1.00 % |
|
july 1981 - july 1980 |
23.65 % |
august 1981 - july 1981 |
-1.01 % |
|
august 1981 - august 1980 |
23.95 % |
september 1981 - august 1981 |
4.07 % |
|
september 1981 - september 1980 |
25.82 % |
october 1981 - september 1981 |
2.61 % |
|
october 1981 - october 1980 |
25.50 % |
november 1981 - october 1981 |
2.22 % |
|
november 1981 - november 1980 |
23.85 % |
december 1981 - november 1981 |
2.17 % |
|
december 1981 - december 1980 |
22.30 % |